Academic literature on the topic 'Quantum many-body systems'

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Journal articles on the topic "Quantum many-body systems"

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Hainzl, Christian, Benjamin Schlein, Robert Seiringer, and Simone Warzel. "Many-Body Quantum Systems." Oberwolfach Reports 16, no. 3 (2020): 2541–603. http://dx.doi.org/10.4171/owr/2019/41.

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Hainzl, Christian, Benjamin Schlein, Robert Seiringer, and Simone Warzel. "Many-Body Quantum Systems." Oberwolfach Reports 20, no. 3 (2024): 2247–302. http://dx.doi.org/10.4171/owr/2023/39.

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Palev, T. D., and N. I. Stoilova. "Many-body Wigner quantum systems." Journal of Mathematical Physics 38, no. 5 (1997): 2506–23. http://dx.doi.org/10.1063/1.531991.

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Vojta, Thomas. "Disorder in Quantum Many-Body Systems." Annual Review of Condensed Matter Physics 10, no. 1 (2019): 233–52. http://dx.doi.org/10.1146/annurev-conmatphys-031218-013433.

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Impurities, defects, and other types of imperfections are ubiquitous in realistic quantum many-body systems and essentially unavoidable in solid state materials. Often, such random disorder is viewed purely negatively as it is believed to prevent interesting new quantum states of matter from forming and to smear out sharp features associated with the phase transitions between them. However, disorder is also responsible for a variety of interesting novel phenomena that do not have clean counterparts. These include Anderson localization of single-particle wave functions, many-body localization i
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Continentino, Mucio A. "Quantum scaling in many-body systems." Physics Reports 239, no. 3 (1994): 179–213. http://dx.doi.org/10.1016/0370-1573(94)90112-0.

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Quarati, Piero, Marcello Lissia, and Antonio Scarfone. "Negentropy in Many-Body Quantum Systems." Entropy 18, no. 2 (2016): 63. http://dx.doi.org/10.3390/e18020063.

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Daley, Andrew J. "Quantum trajectories and open many-body quantum systems." Advances in Physics 63, no. 2 (2014): 77–149. http://dx.doi.org/10.1080/00018732.2014.933502.

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Balantekin, A. B. "Quantum Entanglement and Neutrino Many-Body Systems." Journal of Physics: Conference Series 2191, no. 1 (2022): 012004. http://dx.doi.org/10.1088/1742-6596/2191/1/012004.

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Abstract Entanglement of constituents of a many-body system is a recurrent feature of quantum behaviour. Quantum information science provides tools, such as the entanglement entropy, to help assess the amount of entanglement in such systems. Many-neutrino systems are present in core-collapse supernovae, neutron star mergers, and the Early Universe. Recent work in applying the tools of quantum information science to the description of the entanglement in astrophysical many-neutrino systems is reviewed.
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Lindgren, Ingvar, Sten Salomonson, and Daniel Hedendahl. "New approach to many-body quantum-electrodynamics calculations:merging quantum electrodynamics with many-body perturbation." Canadian Journal of Physics 83, no. 4 (2005): 395–403. http://dx.doi.org/10.1139/p05-012.

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A new method for bound-state quantum electrodynamics (QED) calculations on many-electron systems is presented that is a combination of the non-QED many-body technique for quasi-degenerate systems and the newly developed covariant-evolution-operator technique for QED calculations. The latter technique has been successfully applied to the fine structure of excited states of medium-heavy heliumlike ions, and it is expected that the new method should be applicable also to light elements, hopefully down to neutral helium. PACS Nos.: 31.30.Jv, 31.15.Md, 31.25.Jf, 33.15.Pw
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Ziegler, Klaus. "Probing Many-Body Systems near Spectral Degeneracies." Symmetry 13, no. 10 (2021): 1796. http://dx.doi.org/10.3390/sym13101796.

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The diagonal elements of the time correlation matrix are used to probe closed quantum systems that are measured at random times. This enables us to extract two distinct parts of the quantum evolution, a recurrent part and an exponentially decaying part. This separation is strongly affected when spectral degeneracies occur, for instance, in the presence of spontaneous symmetry breaking. Moreover, the slowest decay rate is determined by the smallest energy level spacing, and this decay rate diverges at the spectral degeneracies. Probing the quantum evolution with the diagonal elements of the tim
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Dissertations / Theses on the topic "Quantum many-body systems"

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Riera, Graells Arnau. "Entanglement in Many Body Quantum Systems." Doctoral thesis, Universitat de Barcelona, 2010. http://hdl.handle.net/10803/1600.

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THESIS SUMMARY<br/><br/>TEXT:<br/><br/>This thesis is made of two parts. In the first one, the issue of entanglement in many body systems is addressed. The concept of entanglement and some of the recent progress on the study of entropy of entanglement in many body quantum systems are reviewed. Emphasis is placed on the scaling properties of entropy for one-dimensional models at quantum phase transitions. <br/><br/>Then, we focus on the area-law scaling of the entanglement entropy. An explicit computation in arbitrary dimensions of the entanglement entropy of the ground state of a discretized s
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Scarlatella, Orazio. "Driven-Dissipative Quantum Many-Body Systems." Thesis, Université Paris-Saclay (ComUE), 2019. http://www.theses.fr/2019SACLS281/document.

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Ma thèse de doctorat était consacrée à l'étude des systèmes quantiques à plusieurs corps dissipatifs et pilotés. Ces systèmes représentent des plateformes naturelles pour explorer des questions fondamentales sur la matière dans des conditions de non-équilibre, tout en ayant un impact potentiel sur les technologies quantiques émergentes. Dans cette thèse, nous discutons d'une décomposition spectrale de fonctions de Green de systèmes ouverts markoviens, que nous appliquons à un modèle d'oscillateur quantique de van der Pol. Nous soulignons qu’une propriété de signe des fonctions spectrales des s
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Mur, Petit Jordi. "Many-body studies on atomic quantum systems." Doctoral thesis, Universitat de Barcelona, 2006. http://hdl.handle.net/10803/1587.

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En aquesta tesi presentem un conjunt d'estudis sobre sistemes atòmics on els efectes quàntics són especialment destacats. Aquests estudis s'han dut a terme aplicant diverses tècniques de la física teòrica de molts cossos.<br/><br/>En primer lloc hem estudiat la possible existència d'una transició de fase superfluida en un gas ultrafred d'àtoms fermiònics, mitjançant una generalització de la teoria BCS de la superconductivitat que dóna especial rellevància al paper jugat per l'asimetria de densitat entre les dues espècies, i permet que l'estat fonamental presenti un trencament espontani de sime
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Heyl, Markus Philip Ludwig. "Nonequilibrium phenomena in many-body quantum systems." Diss., lmu, 2012. http://nbn-resolving.de/urn:nbn:de:bvb:19-145838.

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Costa, De Almeida Ricardo. "Entanglement certification in quantum many-body systems." Doctoral thesis, Università degli studi di Trento, 2022. https://hdl.handle.net/11572/356801.

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Entanglement is a fundamental property of quantum systems and its characterization is a central problem for physics. Moreover, there is an increasing demand for scalable protocols that can certify the presence of entanglement. This is primarily due to the role of entanglement as a crucial resource for quantum technologies. However, systematic entanglement certification is highly challenging, and this is particularly the case for quantum many-body systems. In this dissertation, we tackle this challenge and introduce some techniques that allow the certification of multipartite entanglement in ma
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Biella, Alberto. "Many-body physics in open quantum systems." Doctoral thesis, Scuola Normale Superiore, 2016. http://hdl.handle.net/11384/85905.

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Tomadin, Andrea. "Dynamical instabilities in quantum many-body systems." Doctoral thesis, Scuola Normale Superiore, 2010. http://hdl.handle.net/11384/85874.

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from the introduction: "[...] This thesis addresses the problem of the nonequilibrium time-evolution of many-body sistems realized with quantum simulators. We investigate theoretically the relation between the time-evolution and the equilibrium phase diagram in the presence of a quantum phase transition. The long-time evolution of the systems is investigated, both in the case of conservative dynamics and under the action of dissipative processes. The thesis is organized as follows. Chaps. 1-3 contain theoretical and experimental facts that are relevant to the present work. In the Chap.
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Mertens, Christopher J. "Many-body theory of dissipative quantum optical systems." Diss., Georgia Institute of Technology, 1995. http://hdl.handle.net/1853/30316.

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Elliott, Thomas Joseph. "Topics in quantum measurement of many-body systems." Thesis, University of Oxford, 2016. https://ora.ox.ac.uk/objects/uuid:c3c792c8-c184-41a3-abfc-868f5965a852.

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In quantum physics, measurement exhibits fundamentally different behaviour to the classical case, having direct effect on the observed system. As a result, the very act of observation in quantum systems plays a non-trivial role, and can be used as a method of controlling the dynamics of the system. With the rise of quantum technologies, understanding and exploiting these phenomena offers a great boon. Here, we investigate a selection of the possibilities offered by quantum measurement for characterising and manipulating many-body systems, with particular focus on ultracold atomic gases. We fir
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Fusco, Lorenzo. "Non-equilibrium thermodynamics in quantum many-body systems." Thesis, Queen's University Belfast, 2016. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.706680.

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Thermodynamics is one of the pillars of modern science. Understanding which are the boundaries for the applicability of a theory is fundamental for every science and thermodynamics makes no exception. This Thesis studied the implications of thermodynamic transformations applied to quantum systems, particularly discussing the limits of a proper thermodynamic interpretation of such a transformation for a quantum many-body system. First a framework is developed to give a physical meaning to the full statistics of the work distributions for a many-body system, with particular emphasis on the quant
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Books on the topic "Quantum many-body systems"

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Rivasseau, Vincent, Robert Seiringer, Jan Philip Solovej, and Thomas Spencer. Quantum Many Body Systems. Springer Berlin Heidelberg, 2012. http://dx.doi.org/10.1007/978-3-642-29511-9.

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Marie, Ericsson, and Montangero Simone, eds. Quantum information and many body quantum systems: Proceedings. Edizioni Della Normale, 2008.

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Marie, Ericsson, and Montangero Simone, eds. Quantum information and many body quantum systems: Proceedings. Edizioni Della Normale, 2008.

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Zagoskin, Alexandre M. Quantum Theory of Many-Body Systems. Springer New York, 1998. http://dx.doi.org/10.1007/978-1-4612-0595-1.

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Zagoskin, Alexandre. Quantum Theory of Many-Body Systems. Springer International Publishing, 2014. http://dx.doi.org/10.1007/978-3-319-07049-0.

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Ha, Zachary Nyong-Chol. Quantum many-body systems in one dimension. World Scientific, 1996.

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Dickhoff, Willem Hendrik. Many-body theory exposed!: Propagator description of quantum mechanics in many-body systems. World Scientific, 2006.

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Salasnich, Luca. Quantum Physics of Light and Matter - Quantum Many-Body Systems. Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-63297-7.

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Tasaki, Hal. Physics and Mathematics of Quantum Many-Body Systems. Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-41265-4.

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Van, Neck Dimitri, ed. Many-body theory exposed!: Propagator description of quantum mechanics in many-body systems. World Scientific, 2005.

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Book chapters on the topic "Quantum many-body systems"

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Salasnich, Luca. "Many-Body Systems." In Quantum Physics of Light and Matter. Springer International Publishing, 2014. http://dx.doi.org/10.1007/978-3-319-05179-6_6.

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Salasnich, Luca. "Many-Body Systems." In Quantum Physics of Light and Matter. Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-52998-1_6.

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Kam, Chon-Fai, Wei-Min Zhang, and Da-Hsuan Feng. "Quantum Many-Body Systems." In Coherent States. Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-031-20766-2_10.

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Gaspard, Pierre. "Dynamical Chaos and Many-Body Quantum Systems." In Quantum Chaos — Quantum Measurement. Springer Netherlands, 1992. http://dx.doi.org/10.1007/978-94-015-7979-7_2.

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Ceperley, D. M. "The Simulation of Quantum Systems." In Recent Progress in Many-Body Theories. Springer US, 1995. http://dx.doi.org/10.1007/978-1-4615-1937-9_41.

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Sanz, Ángel S., and Salvador Miret-Artés. "Many-Body Systems and Quantum Hydrodynamics." In A Trajectory Description of Quantum Processes. II. Applications. Springer Berlin Heidelberg, 2014. http://dx.doi.org/10.1007/978-3-642-17974-7_8.

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Aguilera-Navarro, V. C. "Quantum Many-Body Systems: Orthogonal Coordinates." In Condensed Matter Theories. Springer US, 1990. http://dx.doi.org/10.1007/978-1-4613-0605-4_32.

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Montangero, Simone. "Many-Body Quantum Systems at Equilibrium." In Introduction to Tensor Network Methods. Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-030-01409-4_7.

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Salasnich, Luca. "Quantum Mechanics of Many-Body Systems." In UNITEXT for Physics. Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-030-93743-0_9.

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Medisetty, Pramoda, Veda Manohara Sunanda Vulavalapudi, Poorna Chand Evuru, Mufti Mahmud, and Kolla Bhanu Prakash. "Quantum Many-Body Problems: Quantum Machine Learning Applications." In Lecture Notes in Networks and Systems. Springer Nature Switzerland, 2024. http://dx.doi.org/10.1007/978-3-031-61929-8_12.

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Conference papers on the topic "Quantum many-body systems"

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Grigoriou, Emmanouil, Ming Li, Yoshitomo Kamiya, Germán J. de Valcárcel, and Carlos Navarrete-Benlloch. "Many-body phases enabled by quantum optical processes." In Quantum 2.0. Optica Publishing Group, 2024. http://dx.doi.org/10.1364/quantum.2024.qm5a.1.

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Many-body physics and quantum optics have traditionally worked on opposite sides of the physics spectrum. Quantum optics deals with the precise quantum control of atomic, optical, and solid state systems with a small number of degrees of freedom. On the other hand, many-body physics is typically associated with the statistical behavior of condensed-matter systems containing an infinite number of constituents. However, we are now in an era where our level of control of quantum-optical systems is so precise, that we can apply it to the design of devices that implement many-body models in regimes
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Mechel, Chen, Offek Tziperman, Alexey Gorlach, et al. "Towards many-body Hamiltonian tomography using quantum light emission." In CLEO: Fundamental Science. Optica Publishing Group, 2024. http://dx.doi.org/10.1364/cleo_fs.2024.fw4j.1.

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We show that quantum many-body systems can transfer information about their Hamiltonians onto multi-mode quantum light states via collective spontaneous emission, opening new paths towards tomographic reconstruction of many-body Hamiltonians.
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Xu, Xinyi Y. I., Guoda Xie, Lei Ying, Jinpeng Yuan, and Wei E. I. Sha. "Fast Simulation of Many-Body Rydberg Atomic Systems for Quantum Sensing." In 2024 IEEE International Symposium on Antennas and Propagation and INC/USNC‐URSI Radio Science Meeting (AP-S/INC-USNC-URSI). IEEE, 2024. http://dx.doi.org/10.1109/ap-s/inc-usnc-ursi52054.2024.10687013.

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Vuckovic, Jelena. "Quantum Technologies With Semiconductor Color Centers in Integrated Photonics." In Optical Fiber Communication Conference. Optica Publishing Group, 2025. https://doi.org/10.1364/ofc.2025.m2a.1.

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Optically interfaced spin qubits based on diamond and silicon carbide color centers are considered promising candidates for scalable quantum networks and sensors. However, they can also be used to build chip-scale quantum many body systems with tunable all to all interactions between qubits enabled by photonics - useful for quantum simulation and possibly computing. Full-text article not available; see video presentation
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Sharma, Ankit, Samit K. Ray, and K. V. Adarsh. "Breaking of Phonon Bottleneck In CsPbI3 Nanocrystals Due To Efficient Auger Recombination." In JSAP-Optica Joint Symposia. Optica Publishing Group, 2024. https://doi.org/10.1364/jsapo.2024.17a_a31_5.

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Inorganics lead halide perovskite (LHP) have been became appropriate system for demonstrating light-matter interaction due to their flexible bandgap tunability, defect tolerance and high photoluminescence quantum yield nature. Although, LHPs have many hallmark properties which can support highly efficient photovoltaic devices, but they lost lot of energy in carriers-phonon scattering which slow down the recombination process and decrease the efficiency. Faster thermalization time of hot carriers support electron-hole recombination at band-edge which can be exploited in optoelectronic devices e
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GUERLIN, C., K. BAUMANN, F. BRENNECKE, et al. "SYNTHETIC QUANTUM MANY-BODY SYSTEMS." In Proceedings of the XIX International Conference. WORLD SCIENTIFIC, 2010. http://dx.doi.org/10.1142/9789814282345_0020.

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Khatiwada, Pawan, and Imran Mirza. "Entanglement in many-body quantum systems." In Frontiers in Optics. OSA, 2020. http://dx.doi.org/10.1364/fio.2020.jm6a.23.

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Van Isacker, P., Kurt B. Wolf, Luis Benet, Juan Mauricio Torres, and Peter O. Hess. "Seniority in quantum many-body systems." In SYMMETRIES IN NATURE: SYMPOSIUM IN MEMORIAM MARCOS MOSHINSKY. AIP, 2010. http://dx.doi.org/10.1063/1.3537842.

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Mekhov, Igor B. "Merging quantum optics and quantum many-body atomic systems." In 12th European Quantum Electronics Conference CLEO EUROPE/EQEC. IEEE, 2011. http://dx.doi.org/10.1109/cleoe.2011.5942918.

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Porras, Diego, Christine Muschik, Inés de Vega, and J. Ignacio Cirac. "Quantum State Generation in Many-Body Quantum Optical Systems." In Quantum-Atom Optics Downunder. OSA, 2007. http://dx.doi.org/10.1364/qao.2007.qtua1.

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Reports on the topic "Quantum many-body systems"

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Scalapino, Douglas J. Sugar, Robert L. Numerical Simulations of Quantum Many-body Systems. Office of Scientific and Technical Information (OSTI), 1998. http://dx.doi.org/10.2172/842398.

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Scalapino, D. J. Numerical simulation of quantum many-body systems. Office of Scientific and Technical Information (OSTI), 1992. http://dx.doi.org/10.2172/6652913.

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Scalapino, D. J. Numerical simulation of quantum many-body systems. Office of Scientific and Technical Information (OSTI), 1992. http://dx.doi.org/10.2172/10127187.

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Zhu, Jianxin, and Benedikt Fauseweh. Digital quantum simulation of non-equilibrium quantum many-body systems. Office of Scientific and Technical Information (OSTI), 2022. http://dx.doi.org/10.2172/1868210.

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Lukin, Mikhail, and Eugene Demler. Quantum Simulations of Many-Body Systems with Ultra-Cold Atoms. Defense Technical Information Center, 2009. http://dx.doi.org/10.21236/ada496260.

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DeMille, David, and Karyn LeHur. NON-EQUILIBRIUM DYNAMICS OF MANY-BODY QUANTUM SYSTEMS: FUNDAMENTALS AND NEW FRONTIER. Office of Scientific and Technical Information (OSTI), 2013. http://dx.doi.org/10.2172/1108018.

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Scalapino, D. J., and R. L. Sugar. Numerical simulation of quantum many-body systems. Progress report for March 1, 1991--September 1, 1993. Office of Scientific and Technical Information (OSTI), 1993. http://dx.doi.org/10.2172/10133898.

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Freericks, James, and Alexander Kemper. Final report for Simulating long-time evolution of driven many-body systems with next generation quantum computers. Office of Scientific and Technical Information (OSTI), 2023. http://dx.doi.org/10.2172/2242512.

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