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Relevant bibliographies by topics / Quantum Optics, Quantum Superposition, Entanglement, Experimental Physics

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Journal articles

Academic literature on the topic 'Quantum Optics, Quantum Superposition, Entanglement, Experimental Physics'

Author: Grafiati

Published: 10 March 2023

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Journal articles on the topic "Quantum Optics, Quantum Superposition, Entanglement, Experimental Physics"

1

Waitzmann, Moritz, Kim-Alessandro Weber, Susanne Wessnigk, and Ruediger Scholz. "Key Experiment and Quantum Reasoning." Physics 4, no. 4 (2022): 1202–29. http://dx.doi.org/10.3390/physics4040078.

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For around five decades, physicists have been experimenting with single quanta such as single photons. Insofar as the practised ensemble reasoning has become obsolete for the interpretation of these experiments, the non-classical intrinsic probabilistic nature of quantum theory has gained increased importance. One of the most important exclusive features of quantum physics is the undeniable existence of the superposition of states, even for single quantum objects. One known example of this effect is entanglement. In this paper, two classically contradictory phenomena are combined to one single

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2

Matsumura, Akira. "Role of matter coherence in entanglement due to gravity." Quantum 6 (October 11, 2022): 832. http://dx.doi.org/10.22331/q-2022-10-11-832.

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We investigate the quantum nature of gravity in terms of the coherence of quantum objects. As a basic setting, we consider two gravitating objects each in a superposition state of two paths. The evolution of objects is described by the completely positive and trace-preserving (CPTP) map with a population-preserving property. This property reflects that the probability of objects being on each path is preserved. We use the &#x2113;1-norm of coherence to quantify the coherence of objects. In the present paper, the quantum nature of gravity is characterized by an entangling map, which is a CP

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3

Gulbahar, Burhan. "Theory of Quantum Path Entanglement and Interference with Multiplane Diffraction of Classical Light Sources." Entropy 22, no. 2 (2020): 246. http://dx.doi.org/10.3390/e22020246.

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Quantum history states were recently formulated by extending the consistent histories approach of Griffiths to the entangled superposition of evolution paths and were then experimented with Greenberger–Horne–Zeilinger states. Tensor product structure of history-dependent correlations was also recently exploited as a quantum computing resource in simple linear optical setups performing multiplane diffraction (MPD) of fermionic and bosonic particles with remarkable promises. This significantly motivates the definition of quantum histories of MPD as entanglement resources with the inherent capabi

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4

Kalaga, Joanna K., Wiesław Leoński, and Radosław Szczęśniak. "Quantum steering in an asymmetric chain of nonlinear oscillators." Photonics Letters of Poland 9, no. 3 (2017): 97. http://dx.doi.org/10.4302/plp.v9i3.759.

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We discuss here a possibility of generation of steerable states in asymmetric chains comprising three Kerr-like nonlinear oscillators. We show that steering between modes can be generated in the system and it strongly depends on the asymmetry of internal couplings in our model. We can lead to the appearance of new steering effects, which were not present in symmetric models already studied in the literature. Full Text: PDF ReferencesE. Schrödinger, "Discussion of Probability Relations between Separated Systems", Math. Proc. Camb. Phil. Soc. 31, 555 (1935). CrossRef M.D. Reid, "Demonstration of

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5

Galvez, E. J. "A Curriculum of Table-Top Quantum Optics Experiments to Teach Quantum Physics." Journal of Physics: Conference Series 2448, no. 1 (2023): 012006. http://dx.doi.org/10.1088/1742-6596/2448/1/012006.

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Abstract The rise of quantum information as a viable technology requires appropriate instructional curricula for preparing a future workforce. Key concepts that are the basis of quantum information involve fundamentals of quantum mechanics, such as superposition, entanglement and measurement. To complement modern initiatives to teach quantum physics to the emerging workforce, lab experiences are needed. We have developed a curriculum of quantum optics experiments to teach quantum mechanics fundamentals and quantum algebra. These laboratories provide hands-on experimentation of optical componen

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6

Amin, Syed Tahir, and Aeysha Khalique. "Practical quantum teleportation of an unknown quantum state." Canadian Journal of Physics 95, no. 5 (2017): 498–503. http://dx.doi.org/10.1139/cjp-2016-0758.

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We present our model to teleport an unknown quantum state using entanglement between two distant parties. Our model takes into account experimental limitations due to contribution of multi-photon pair production of parametric down conversion source, inefficiency, dark counts of detectors, and channel losses. We use a linear optics setup for quantum teleportation of an unknown quantum state by the sender performing a Bell state measurement. Our theory successfully provides a model for experimentalists to optimize the fidelity by adjusting the experimental parameters. We apply our model to a rec

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7

Pal, Soham, Priya Batra, Tanjung Krisnanda, Tomasz Paterek, and T. S. Mahesh. "Experimental localisation of quantum entanglement through monitored classical mediator." Quantum 5 (June 17, 2021): 478. http://dx.doi.org/10.22331/q-2021-06-17-478.

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Quantum entanglement is a form of correlation between quantum particles that cannot be increased via local operations and classical communication. It has therefore been proposed that an increment of quantum entanglement between probes that are interacting solely via a mediator implies non-classicality of the mediator. Indeed, under certain assumptions regarding the initial state, entanglement gain between the probes indicates quantum coherence in the mediator. Going beyond such assumptions, there exist other initial states which produce entanglement between the probes via only local interactio

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8

Latorre, Jose I., and German Sierra. "Quantum computation of prime number functions." Quantum Information and Computation 14, no. 7&8 (2014): 577–88. http://dx.doi.org/10.26421/qic14.7-8-3.

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We propose a quantum circuit that creates a pure state corresponding to the quantum superposition of all prime numbers less than $2^n$, where $n$ is the number of qubits of the register. This Prime state can be built using Grover's algorithm, whose oracle is a quantum implementation of the classical Miller-Rabin primality test. The Prime state is highly entangled, and its entanglement measures encode number theoretical functions such as the distribution of twin primes or the Chebyshev bias. This algorithm can be further combined with the quantum Fourier transform to yield an estimate of the pr

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9

Rubino, Giulia, Lee A. Rozema, Francesco Massa, et al. "Experimental entanglement of temporal order." Quantum 6 (January 11, 2022): 621. http://dx.doi.org/10.22331/q-2022-01-11-621.

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The study of causal relations has recently been applied to the quantum realm, leading to the discovery that not all physical processes have a definite causal structure. While indefinite causal processes have previously been experimentally shown, these proofs relied on the quantum description of the experiments. Yet, the same experimental data could also be compatible with definite causal structures within different descriptions. Here, we present the first demonstration of indefinite temporal order outside of quantum formalism. We show that our experimental outcomes are incompatible with a clas

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10

Manzalini, Antonio, and Michele Amoretti. "End-to-End Entanglement Generation Strategies: Capacity Bounds and Impact on Quantum Key Distribution." Quantum Reports 4, no. 3 (2022): 251–63. http://dx.doi.org/10.3390/quantum4030017.

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A first quantum revolution has already brought quantum technologies into our everyday life for decades: in fact, electronics and optics are based on the quantum mechanical principles. Today, a second quantum revolution is underway, leveraging the quantum principles of superposition, entanglement and measurement, which were not fully exploited yet. International innovation activities and standardization bodies have identified four main application areas for quantum technologies and services: quantum secure communications, quantum computing, quantum simulation, and quantum sensing and metrology.

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