Relevant bibliographies by topics / Ultracold gas

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Academic literature on the topic 'Ultracold gas'

Author: Grafiati
Published: 9 February 2023
Last updated: 31 July 2025

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Journal articles on the topic "Ultracold gas"

1

Pérez-Ríos, Jesús. "A single ion immersed in an ultracold gas: from cold chemistry to impurity physics." Europhysics News 54, no. 3 (2023): 28–31. http://dx.doi.org/10.1051/epn/2023304.

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A single ion in an ultracold gas is a versatile experimental platform to study interactions between charged and neutral particles in a controllable manner. When the gas density is large enough, a single ion can be viewed as an impurity in a sea of ultracold atoms or molecules. On the other hand, that single ion can also undergo a chemical reaction with atoms or molecules in the gas. This article discusses the dynamics of a charged impurity in an ultracold bath and the interplay between cold chemistry and impurity physics.
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Nassif, Cláudio, A. C. Amaro de Faria, and Rodrigo Francisco dos Santos. "Testing Lorentz symmetry violation with an invariant minimum speed." Modern Physics Letters A 33, no. 23 (2018): 1850148. http://dx.doi.org/10.1142/s0217732318501481.

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This work presents an experimental test of Lorentz invariance violation in the infrared (IR) regime by means of an invariant minimum speed in spacetime and its effects on the time when an atomic clock given by a certain radioactive single-atom (e.g. isotope Na[Formula: see text]) is a thermometer for an ultracold gas like the dipolar gas Na[Formula: see text]K[Formula: see text]. So, according to a Deformed Special Relativity (DSR) so-called Symmetrical Special Relativity (SSR), where there emerges an invariant minimum speed V in the subatomic world, one expects that the proper time of such a
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CROWELL, LAWRENCE B. "ULTRACOLD QUANTUM GASES AS PROBES OF THE UNRUH EFFECT." International Journal of Modern Physics D 15, no. 12 (2006): 2191–96. http://dx.doi.org/10.1142/s0218271806009509.

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A high accelerated ultracold quantum gas should be heated by the thermal vacuum of the Unruh effect. This essay discusses possible experimental designs for detecting the Unruh effect with ultracold quantum bosonic gases.
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Stajic, J. "Steps to ultracold gas expansion." Science 353, no. 6297 (2016): 359–61. http://dx.doi.org/10.1126/science.353.6297.359-m.

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Yang, Huan, Jin Cao, Zhen Su, Jun Rui, Bo Zhao, and Jian-Wei Pan. "Creation of an ultracold gas of triatomic molecules from an atom–diatomic molecule mixture." Science 378, no. 6623 (2022): 1009–13. http://dx.doi.org/10.1126/science.ade6307.

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In recent years, there has been notable progress in the preparation and control of ultracold gases of diatomic molecules. The next experimental challenge is the production of ultracold polyatomic molecular gases. Here, we report the creation of an ultracold gas of 23 Na 40 K 2 triatomic molecules from a mixture of ground-state sodium-23–potassium-40 ( 23 Na 40 K) molecules and potassium-40 ( 40 K) atoms. The triatomic molecules were created by adiabatic magneto-association through an atom–diatomic molecule Feshbach resonance. We obtained clear evidence for the creation of triatomic molecules b
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De Marco, Luigi, Giacomo Valtolina, Kyle Matsuda, William G. Tobias, Jacob P. Covey, and Jun Ye. "A degenerate Fermi gas of polar molecules." Science 363, no. 6429 (2019): 853–56. http://dx.doi.org/10.1126/science.aau7230.

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Experimental realization of a quantum degenerate gas of molecules would provide access to a wide range of phenomena in molecular and quantum sciences. However, the very complexity that makes ultracold molecules so enticing has made reaching degeneracy an outstanding experimental challenge over the past decade. We now report the production of a degenerate Fermi gas of ultracold polar molecules of potassium-rubidium. Through coherent adiabatic association in a deeply degenerate mixture of a rubidium Bose-Einstein condensate and a potassium Fermi gas, we produce molecules at temperatures below 0.
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Ni, K. K., S. Ospelkaus, D. J. Nesbitt, J. Ye, and D. S. Jin. "A dipolar gas of ultracold molecules." Physical Chemistry Chemical Physics 11, no. 42 (2009): 9626. http://dx.doi.org/10.1039/b911779b.

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Thomas, John E. "Ultracold Fermi gas on a chip." Nature Physics 2, no. 6 (2006): 377–78. http://dx.doi.org/10.1038/nphys326.

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LeBlanc, Lindsay J. "Unleashing spontaneity in a time crystal." Science 377, no. 6606 (2022): 576–77. http://dx.doi.org/10.1126/science.add2015.

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Yusoff, Fatin Nadiah, Muhammad Afiq Zulkifli, Norshamsuri Ali, et al. "Tunable Transparency and Group Delay in Cavity Optomechanical Systems with Degenerate Fermi Gas." Photonics 10, no. 3 (2023): 279. http://dx.doi.org/10.3390/photonics10030279.

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We theoretically investigate the optical response and the propagation of an external probe field in a Fabry–Perot cavity, which consists of a mechanical mode of trapped, ultracold, fermionic atoms inside and simultaneously driven by an optical laser field. We investigate the electromagnetically-induced transparency due to coupling of the optical cavity field with the collective density excitations of the ultracold fermionic atoms via radiation pressure force. Moreover, we discuss the variations in the phase and group delay of the transmitted probe field with respect to effective cavity detunin
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Dissertations / Theses on the topic "Ultracold gas"

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Christensen, Caleb A. "Ultracold molecules from ultracold atoms : interactions in sodium and lithium gas." Thesis, Massachusetts Institute of Technology, 2011. http://hdl.handle.net/1721.1/68868.

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Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Physics, 2011.<br>Cataloged from PDF version of thesis.<br>Includes bibliographical references (p. 218-226).<br>The thesis presents results from experiments in which ultracold Sodium-6 and Lithium-23 atomic gases were studied near a Feshbach resonance at high magnetic fields. The enhanced interactions between atoms in the presence of a molecular state enhance collisions, leading to inelastic decay and loss, many-body dynamics, novel quantum phases, and molecule formation. Experimental data is presented alongside relevant theory a
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Lee, Ye-Ryoung. "Ultracold Fermi gas with repulsive interactions." Thesis, Massachusetts Institute of Technology, 2012. http://hdl.handle.net/1721.1/79520.

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Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Physics, 2012.<br>Cataloged from PDF version of thesis.<br>Includes bibliographical references (p. 95-100).<br>This thesis presents results from experiments of ultracold atomic Fermi gases with repulsive interaction. Itinerant ferromagnetism was studied by simulating the Stoner model with a strongly interacting Fermi gas of ultracold atoms. We observed nonmonotonic behavior of lifetime, kinetic energy, and size for increasing repulsive interactions, which is in good agreement with a mean-field model for the ferromagnetic phase tr
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Edge, Jonathan Martin. "Collective phenomena in ultracold Fermi gases." Thesis, University of Cambridge, 2011. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.609264.

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Zwierlein, Martin W. "High-temperature superfluidity in an ultracold Fermi gas." Thesis, Massachusetts Institute of Technology, 2006. http://hdl.handle.net/1721.1/39290.

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Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Physics, February 2007.<br>Includes bibliographical references (p. 258-280).<br>This thesis presents experiments in which a strongly interacting gas of fermions was brought into the superfluid regime. The strong interactions are induced by a Feshbach scattering resonance that allows to tune the interfermion scattering length via an external magnetic field. When a Fermi mixture was cooled on the molecular side of such a Feshbach resonance, Bose-Einstein condensation of up to 107 molecules was observed. Subsequently, the crossover
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Okan, Melih. "Controlling ultracold fermions under a quantum gas microscope." Thesis, Massachusetts Institute of Technology, 2018. http://hdl.handle.net/1721.1/115688.

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Thesis: Ph. D., Massachusetts Institute of Technology, Department of Physics, 2018.<br>Cataloged from PDF version of thesis.<br>Includes bibliographical references (pages 123-130).<br>This thesis presents the experimental work on building a quantum gas microscope, employing fermionic 40K atoms in an optical lattice, and precision control of the atoms under the microscope. This system works as a natural simulator of the 2D Hubbard model, which describes materials with strongly correlated electrons. After preparing ultracold 40K atoms in an optical lattice and performing Raman sideband cooling,
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Han, Li. "Spin-orbit coupled ultracold fermions." Diss., Georgia Institute of Technology, 2014. http://hdl.handle.net/1853/52314.

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In this Thesis we discussed ultracold Fermi gas with an s-wave interaction and synthetic spin-orbit coupling under a variety of conditions. We considered the system in both three and two spatial dimensions, with equal-Rashba-Dresselhaus type or Rashba-only type of spin-orbit-coupling, and with or without an artificial Zeeman field. We found competing effects on Fermionic superfluidity from spin-orbit coupling and Zeeman fields, and topologically non-trivial states in the presence of both fields. We gave an outlook on the many-body physics in the last.
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Setiawan, Widagdo. "Fermi Gas Microscope." Thesis, Harvard University, 2012. http://dissertations.umi.com/gsas.harvard:10225.

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Recent advances in using microscopes in ultracold atom experiment have allowed experimenters for the first time to directly observe and manipulate individual atoms in individual lattice sites. This technique enhances our capability to simulate strongly correlated systems such as Mott insulator and high temperature superconductivity. Currently, all ultracold atom experiments with high resolution imaging capability use bosonic atoms. In this thesis, I present our progress towards creating the fermionic version of the microscope experiment which is more suitable for simulating real condensed matt
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Jackson, Niamh Christina. "Rydberg spectroscopy and dressing in an ultracold strontium gas." Thesis, Durham University, 2018. http://etheses.dur.ac.uk/12825/.

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This thesis describes Rydberg spectroscopy and dressing experiments in an ultracold strontium gas. The strontium atoms are cooled to sub-uK temperatures in a narrowline magneto-optical trap, where Rydberg atoms are created using a two-photon excitation scheme. This required the development of a high-power ultraviolet laser system at 319 nm. The laser has a large tuning range for access to triplet Rydberg states from principal quantum numbers of 35 to > 300. By performing Rydberg spectroscopy in a magneto-optical trap, we show that narrow spectra can be obtained where the line centre is determi
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Park, Jee Woo. "An ultracold gas of dipolar fermionic ²³Na⁴⁰K molecules." Thesis, Massachusetts Institute of Technology, 2016. http://hdl.handle.net/1721.1/104529.

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Thesis: Ph. D., Massachusetts Institute of Technology, Department of Physics, 2016.<br>Cataloged from PDF version of thesis.<br>Includes bibliographical references (pages 190-202).<br>In this thesis, I present my work on creating ultracold dipolar molecules of ²³Na⁴⁰K in the singlet rovibrational ground state. These fermionic molecules have a large permanent electric dipole moment of 2.72 Debye, and are chemically stable against inelastic dimer-dimer reactions. A quantum gas of these molecules have potential applications in quantum simulation of novel dipolar many-body physics, creation of dip
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Werner, Jörg. "Observation of Feshbach resonances in an ultracold gas of 52Cr." München Verl. Dr. Hut, 2006. http://nbn-resolving.de/urn:nbn:de:bsz:93-opus-27523.

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Books on the topic "Ultracold gas"

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Ultracold Bosonic And Fermionic Gases. Elsevier, 2012.

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Fetter, Alexander, Kathy Levin, and Dan Stamper-Kurn. Ultracold Bosonic and Fermionic Gases. Elsevier, 2012.

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Salomon, C., G. Shlyapnikov, and L. F. Cugliandolo. Many-Body Physics with Ultracold Gases : Lecture Notes of the les Houches Summer School: Volume 94, July 2010. Oxford University Press, 2012.

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Book chapters on the topic "Ultracold gas"

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Hammes, M., D. Rychtarik, B. Engeser, H. C. Nägerl, and R. Grimm. "Two-Dimensional Gas of Cesium Atoms Confined by Evanescent Waves." In Interactions in Ultracold Gases. Wiley-VCH Verlag GmbH & Co. KGaA, 2005. http://dx.doi.org/10.1002/3527603417.ch6.

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Guttridge, Alexander. "A Quantum Degenerate Gas of Cs." In Photoassociation of Ultracold CsYb Molecules and Determination of Interspecies Scattering Lengths. Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-21201-8_5.

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Covey, Jacob P. "The New Apparatus: Enhanced Optical and Electric Manipulation of Ultracold Polar Molecules." In Enhanced Optical and Electric Manipulation of a Quantum Gas of KRb Molecules. Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-98107-9_7.

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Jervis, Dylan, and Joseph H. Thywissen. "Making an Ultracold Gas." In Cold Atoms. IMPERIAL COLLEGE PRESS, 2014. http://dx.doi.org/10.1142/9781783264766_0002.

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Fetter, Alexander L., and Christopher J. Foot. "Bose Gas." In Ultracold Bosonic and Fermionic Gases. Elsevier, 2012. http://dx.doi.org/10.1016/b978-0-444-53857-4.00002-7.

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"The Electron Gas." In Field Theory of Condensed Matter and Ultracold Gases. WORLD SCIENTIFIC (EUROPE), 2023. http://dx.doi.org/10.1142/9781800613911_0005.

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Wieman, Carl E. "Bose-Einstein Condensation in an Ultracold Gas." In Collected Papers of Carl Wieman. WORLD SCIENTIFIC, 2008. http://dx.doi.org/10.1142/9789812813787_0065.

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Eckle, Hans-Peter. "Bose Gas in One Dimension: Lieb–Liniger Model." In Models of Quantum Matter. Oxford University Press, 2019. http://dx.doi.org/10.1093/oso/9780199678839.003.0015.

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The coordinate Bethe ansatz can be extended to a model, the Lieb–Liniger model, of a one-dimensional gas of Bosons interacting with repulsive δ‎-function potentials. It has attracted attention due to its relevance for experimental developments in the fields of ultracold gases and optical lattices. This chapter provides an exposition of the related classical nonlinear Schrödinger equation, followed by its generalization to the quantum model. It explores a limiting case, the Tonks-Girardeau gas. The δ‎-function potentials supply a kind of boundary condition on the wave functions allowing us to a
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Kurizki, Gershon, and Goren Gordon. "What is Quantum Tunneling?" In The Quantum Matrix. Oxford University Press, 2020. http://dx.doi.org/10.1093/oso/9780198787464.003.0013.

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Henry and Eve have been locked behind bars by their captors. Eve recalls that Henry accidentally stepped into the focal area of multiple laser beams and found himself in her office, having gone through the wall! This effect is called “quantum tunneling”. Eve’s reminiscence makes Henry realize that enhanced tunneling through the jail bars is achievable by a periodic force at the tunneling resonance frequency. Tunneling underlies diverse processes: nuclear radioactive decay, transistor action, superconducting junction operation and ultracold gas dynamics. It may be explained as predominantly des
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Masnou-Seeuws, Françoise, and Pierre Pillet. "Formation of ultracold molecules (T≤200 μK) via photoassociation in a gas of laser-cooled atoms." In Advances In Atomic, Molecular, and Optical Physics. Elsevier, 2001. http://dx.doi.org/10.1016/s1049-250x(01)80055-0.

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Conference papers on the topic "Ultracold gas"

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Matsubara, Takuya, Seiji Sugawa, Vikas Singh Chauhan, et al. "High Density Rydberg Gas Produced by Ultrashort Pulse Excitation and Spontaneous Ionization Induced by Rydberg-Rydberg Interactions." In CLEO: Fundamental Science. Optica Publishing Group, 2024. http://dx.doi.org/10.1364/cleo_fs.2024.ftu4l.3.

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We realized ~1011 cm-3 high density Rydberg gas of ultracold 87Rb atoms by ultrafast excitation using improved picosecond pulse laser system, and observed the spontaneous ionization induced by Rydberg-Rydberg interactions.
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Weiman, C. E. "Bose-Einrstein Condensation in an Ultracold Gas." In EQEC'96. 1996 European Quantum Electronic Conference. IEEE, 1996. http://dx.doi.org/10.1109/eqec.1996.561566.

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LIU, XIONG-JUN, and C. H. OH. "SPIN HALL EFFECT IN ULTRACOLD ATOMIC GAS." In Statistical Physics, High Energy, Condensed Matter and Mathematical Physics - The Conference in Honor of C. N. Yang'S 85th Birthday. WORLD SCIENTIFIC, 2008. http://dx.doi.org/10.1142/9789812794185_0040.

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Overstreet, K. Richard, Arne Schwettmann, Jonathan Tallant, and James P. Shaffer. "Inelastic Collisions in an Ultracold Cs Rydberg Gas." In Laser Science. OSA, 2006. http://dx.doi.org/10.1364/ls.2006.ltua4.

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OHMORI, KENJI. "Ultrafast Coherent Control of an Ultracold Rydberg Gas." In Laser Science. OSA, 2013. http://dx.doi.org/10.1364/ls.2013.lth2g.1.

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WEIDEMÜLLER, M., M. REETZ-LAMOUR, T. AMTHOR, J. DEIGLMAYR, K. SINGER, and L. G. MARCASSA. "INTERACTIONS IN AN ULTRACOLD GAS OF RYDBERG ATOMS." In Proceedings of the XVII International Conference. WORLD SCIENTIFIC, 2005. http://dx.doi.org/10.1142/9789812701473_0027.

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Weidemüller, M. "Dipolar Effects in an Ultracold Gas of LiCs Molecules." In Laser Science. OSA, 2010. http://dx.doi.org/10.1364/ls.2010.ltuh2.

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Hu, Zheng-Feng, Daijun Li, C. G. Du, and Shiqun Li. "Properties of light group velocity in ultracold atom gas." In Photonics Asia 2002, edited by Songhao Liu, Guangcan Guo, Hoi-Kwong Lo, and Nobuyuki Imoto. SPIE, 2002. http://dx.doi.org/10.1117/12.483020.

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Hensler, S., P. Schmidt, J. Werner, A. Griesmaier, A. Gorlitz, and T. Pfau. "Collisional properties of a dipolar gas of ultracold chromium atoms." In 2003 European Quantum Electronics Conference. EQEC 2003 (IEEE Cat No.03TH8665). IEEE, 2003. http://dx.doi.org/10.1109/eqec.2003.1314133.

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CUBIZOLLES, J., T. BOURDEL, S. J. J. M. F. KOKKELMANS, C. SALOMON, and G. V. SHLYAPNIKOV. "PRODUCTION OF LONG-LIVED ULTRACOLD LI2 MOLECULES FROM A FERMI GAS." In Proceedings of the XVI International Conference. WORLD SCIENTIFIC, 2004. http://dx.doi.org/10.1142/9789812703002_0032.

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Reports on the topic "Ultracold gas"

1

Butov, L. V. Ultracold Gas of Excitons in Traps. Defense Technical Information Center, 2012. http://dx.doi.org/10.21236/ada582625.

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