Characterizing the superposition of arbitrary random quantum states and a known quantum state
Results in Physics, 2023 The superposition of states is one of the most fundamental issues in the quantum world. Generally there do not exist physical operations to superpose two unknown random states with nonzero probability.
Bo Li, Xiao-Bin Liang, Shao-Ming Fei
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Revisiting self-interference in Young’s double-slit experiments
Scientific Reports, 2023 Quantum superposition is the heart of quantum mechanics as mentioned by Dirac and Feynman. In an interferometric system, single photon self-interference has been intensively studied over the last several decades in both quantum and classical regimes.
Sangbae Kim, Byoung S. Ham
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Entangled Qubit States and Linear Entropy in the Probability Representation of Quantum Mechanics
Entropy, 2022 The superposition states of two qubits including entangled Bell states are considered in the probability representation of quantum mechanics. The superposition principle formulated in terms of the nonlinear addition rule of the state density matrices is ...
Vladimir N. Chernega +2 more
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Experimental demonstration of classical analogous time-dependent superposition of states
Scientific Reports, 2022 One of the quantum theory concepts on which quantum information processing stands is superposition. Here we provide experimental evidence for the existence of classical analogues to the coherent superposition of energy states, which is made possible by ...
Kazi T. Mahmood, M. Arif Hasan
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Quantum conformal symmetries for spacetimes in superposition [PDF]
QuantumWithout a complete theory of quantum gravity, the question of how quantum fields and quantum particles behave in a superposition of spacetimes seems beyond the reach of theoretical and experimental investigations.
Viktoria Kabel +3 more
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Space-time dual quantum Zeno effect: Interferometric engineering of open quantum system dynamics
Physical Review Research, 2022 Superposition of trajectories, which modify quantum evolutions by superposing paths through interferometry, has been utilized to enhance various quantum communication tasks.
Jhen-Dong Lin +5 more
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Entanglement, EPR correlations and mesoscopic quantum superposition by the high-gain quantum injected parametric amplification [PDF]
, 2006 We investigate the multiparticle quantum superposition and the persistence of multipartite entanglement of the quantum superposition generated by the quantum injected high-gain optical parametric amplification of a single photon.
F. Sciarrino +7 more
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Transition to sub-Planck structures through the superposition of q-oscillator stationary states [PDF]
, 2010 We investigate the superposition of four different quantum states based on the q-oscillator. These quantum states are expressed by means of Rogers-Szego polynomials.
Jafarov, EI, Van der Jeugt, Joris
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Towards Quantum Superpositions of a Mirror [PDF]
Physical Review Letters, 2003 5 pages, 2 figures, submitted to Phys.
Marshall, William +3 more
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Macroscopicity of Mechanical Quantum Superposition States [PDF]
Physical Review Letters, 2013 11 pages, 2 figures. v2: Corresponds to the published version, except for a different numbering of the references.
Nimmrichter, Stefan, Hornberger, Klaus
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