Derivation of the Lindblad Equation for Open Quantum Systems and
... mechanics, the time evolution of a quantum state of an isolated system is described by the Schrödinger equation. The density operator describes a quantum system in a mixed state, and the Liouville-von Neumann equation describes the time evolution of the density operator for a closed quantum system. ...
... mechanics, the time evolution of a quantum state of an isolated system is described by the Schrödinger equation. The density operator describes a quantum system in a mixed state, and the Liouville-von Neumann equation describes the time evolution of the density operator for a closed quantum system. ...
Hybrid discrete- and continuous
... [28] and a two-level defect [29]) to a mechanical oscillator have been proposed and some recent preliminary steps have been realized [30, 31]. These schemes promise the creation of arbitrary superposition states including the cat state, which in principle can be mapped onto the electromagnetic field ...
... [28] and a two-level defect [29]) to a mechanical oscillator have been proposed and some recent preliminary steps have been realized [30, 31]. These schemes promise the creation of arbitrary superposition states including the cat state, which in principle can be mapped onto the electromagnetic field ...
Quantum Chaos and Quantum Computers
... numerically and the border for emergence of quantum chaos, induced by imperfections and residual inter-qubit couplings, is determined. This phenomenon appears in an isolated quantum computer without any external decoherence. The onset of quantum chaos leads to quantum computer hardware melting, stro ...
... numerically and the border for emergence of quantum chaos, induced by imperfections and residual inter-qubit couplings, is determined. This phenomenon appears in an isolated quantum computer without any external decoherence. The onset of quantum chaos leads to quantum computer hardware melting, stro ...
Entropy of gravitons produced in the early Universe
... in the inflationary scenario of the early Universe, and does not occur for general quantum systems, as has been shown in [1] with the help of the Wigner function and in [2, 3] by a discussion of thought experiments involving slits. Also, it may be attributed to the fact [4] that amplitudes of pertur ...
... in the inflationary scenario of the early Universe, and does not occur for general quantum systems, as has been shown in [1] with the help of the Wigner function and in [2, 3] by a discussion of thought experiments involving slits. Also, it may be attributed to the fact [4] that amplitudes of pertur ...
CSE 599d - Quantum Computing Introduction and Basics of
... of researchers began to think seriously about the implications of manipulating information in a quantum theoretic manner. The name of the new field which arose is “Quantum Information Science.” People who work in “Quantum Information Science” come from all walks of scientific life–they are physicist ...
... of researchers began to think seriously about the implications of manipulating information in a quantum theoretic manner. The name of the new field which arose is “Quantum Information Science.” People who work in “Quantum Information Science” come from all walks of scientific life–they are physicist ...
Unscrambling the Quantum Omelette of Epistemic and Ontic
... humans, is completely different from claiming that the choice of a specific experimental arrangement determines explicitly physical reality itself. This situation in QM, regarding the subjective definition of physical reality, was clearly recognized by Einstein who remained always uncomfortable with ...
... humans, is completely different from claiming that the choice of a specific experimental arrangement determines explicitly physical reality itself. This situation in QM, regarding the subjective definition of physical reality, was clearly recognized by Einstein who remained always uncomfortable with ...
Quantum Public-Key Cryptosystems
... logarithm in the key-generation stage. Since they do not assume a quantum mechanism, the recommendation was to use a specific class of the discrete logarithm that could be easily computed by a classical machine. Since we have freedom for selecting the underlying discrete logarithm problem, our scheme ...
... logarithm in the key-generation stage. Since they do not assume a quantum mechanism, the recommendation was to use a specific class of the discrete logarithm that could be easily computed by a classical machine. Since we have freedom for selecting the underlying discrete logarithm problem, our scheme ...
A quantum delayed choice experiment
... III. Quantum delayed-choice experiment with a Schrödinger cat-like BS R1 is produced by the field stored in a resonator, R2(θ) produced by a classical field. When the resonator is filled with a coherent field ( ), R1 is present, leading to ...
... III. Quantum delayed-choice experiment with a Schrödinger cat-like BS R1 is produced by the field stored in a resonator, R2(θ) produced by a classical field. When the resonator is filled with a coherent field ( ), R1 is present, leading to ...
