Part I - TTU Physics
... “Macrostate” & we’ll also discuss that this is very different than the “Microstate of the System”! • We’ll also need a detailed method for specifying the Macrostate. This is discussed in this chapter. ...
... “Macrostate” & we’ll also discuss that this is very different than the “Microstate of the System”! • We’ll also need a detailed method for specifying the Macrostate. This is discussed in this chapter. ...
Quantum Bits - Science News
... each bit in a quantum computer can exist as a combination of the two possible particlestates. The 1 and 0 states are said to be entangled. It is only when the particleis observed - detected by some instrument- that it settles into one or the other of the two states. One can programa conventionalcomp ...
... each bit in a quantum computer can exist as a combination of the two possible particlestates. The 1 and 0 states are said to be entangled. It is only when the particleis observed - detected by some instrument- that it settles into one or the other of the two states. One can programa conventionalcomp ...
Main
... note that the state vectors defined by |ψk i ≡ Ufk |ψ1 i√= (exp[i2π/3]|fk (1)i + |fk (0)i + exp[−i2π/3]|fk (−1)i) / 3 have the property that |ψ1 i = exp[−i2π/3]|ψ2 i = exp[i2π/3]|ψ3 i and similarly |ψ4 i = exp[−i2π/3]|ψ5 i = exp[i2π/3]|ψ6 i. In other words, application of Ufk on |ψ1 i = UF T |1i giv ...
... note that the state vectors defined by |ψk i ≡ Ufk |ψ1 i√= (exp[i2π/3]|fk (1)i + |fk (0)i + exp[−i2π/3]|fk (−1)i) / 3 have the property that |ψ1 i = exp[−i2π/3]|ψ2 i = exp[i2π/3]|ψ3 i and similarly |ψ4 i = exp[−i2π/3]|ψ5 i = exp[i2π/3]|ψ6 i. In other words, application of Ufk on |ψ1 i = UF T |1i giv ...
Quantum correlations - Uniwersytet otwarty UG
... Quantization; what should be explained: quantization of a system, quantization of composite systems, quantization of probability calculus, Also one needs to understand why finite dimensional systems are only toy models in quantum theory, • And, necessity for abstract mathematical tools. ...
... Quantization; what should be explained: quantization of a system, quantization of composite systems, quantization of probability calculus, Also one needs to understand why finite dimensional systems are only toy models in quantum theory, • And, necessity for abstract mathematical tools. ...
Topological Coherence and Decoherence
... topological quantum numbers which are conserved even when the system is subject to quite severe perturbations. A model of central interest is the ‘dissipative W.A.H. model’ (named after Wannier, Az’bel, & Hofstadter’). This is produced by synthesizing elements from 2 simpler models which are very in ...
... topological quantum numbers which are conserved even when the system is subject to quite severe perturbations. A model of central interest is the ‘dissipative W.A.H. model’ (named after Wannier, Az’bel, & Hofstadter’). This is produced by synthesizing elements from 2 simpler models which are very in ...
2nd workshop Mathematical Challenges of Zero
... In the 1970’s it was first pointed out by the physicist Vitaly Efimov that a three-body system may present an infinite number of bound states even if there are no bound states in any of the two-body sub-systems. This remarkable phenomenon known as the Efimov effect has been deeply studied both in the ...
... In the 1970’s it was first pointed out by the physicist Vitaly Efimov that a three-body system may present an infinite number of bound states even if there are no bound states in any of the two-body sub-systems. This remarkable phenomenon known as the Efimov effect has been deeply studied both in the ...
Extrimes of Information Combining
... Qubits, von Neumann Measurement, Quantum Codes Quantum Automatic Repeat Request (ARQ) Protocol Quantum Errors Quantum Enumerators Fidelity of Quantum ARQ Protocol • Quantum Codes of Finite Lengths • The asymptotical Case (the code length ...
... Qubits, von Neumann Measurement, Quantum Codes Quantum Automatic Repeat Request (ARQ) Protocol Quantum Errors Quantum Enumerators Fidelity of Quantum ARQ Protocol • Quantum Codes of Finite Lengths • The asymptotical Case (the code length ...
Constructing mehod of 2-EPP with different quantum error correcting
... In this paper, we proposed a method to construct a 2EPP which consists of different quantum error correcting codes and by simulations investigated the performance of the 2-EPPs for a phase-damping channel. The proposed protocol showed improved fidelity and purification rate compared with an EPP from a ...
... In this paper, we proposed a method to construct a 2EPP which consists of different quantum error correcting codes and by simulations investigated the performance of the 2-EPPs for a phase-damping channel. The proposed protocol showed improved fidelity and purification rate compared with an EPP from a ...
Quantum Channels, Kraus Operators, POVMs
... Figure 1: Quantum channel diagram as (a) unitary map T ; (b) isometry J. ◦ So why not use the same names? Because we want a formalism that allows the dimension db of Hb to be different from the dimension da of Ha . This is consistent with a unitary T provided db df = da de . If db = da and df = de o ...
... Figure 1: Quantum channel diagram as (a) unitary map T ; (b) isometry J. ◦ So why not use the same names? Because we want a formalism that allows the dimension db of Hb to be different from the dimension da of Ha . This is consistent with a unitary T provided db df = da de . If db = da and df = de o ...
ppt - University of Toronto Physics
... You can do ANYTHING if you can do the following things with initialized qubits: • Unitary operations on any individual qubit: A+ B1 A' + B '1 ...
... You can do ANYTHING if you can do the following things with initialized qubits: • Unitary operations on any individual qubit: A+ B1 A' + B '1 ...
Quantized quasi-two-dimensional Bose-Einstein condensates with spatially modulated nonlinearity Deng-Shan Wang, Xing-Hua Hu,
... However, so far, the studies of BECs with spatially modulated nonlinearity are limited to the quasi-one-dimensional cases [8–12]. Moreover, in the study of nonlinear problems no one discusses their quantum properties, which are common in linear systems such as the linear harmonic oscillator. In this ...
... However, so far, the studies of BECs with spatially modulated nonlinearity are limited to the quasi-one-dimensional cases [8–12]. Moreover, in the study of nonlinear problems no one discusses their quantum properties, which are common in linear systems such as the linear harmonic oscillator. In this ...
At what time does a quantum experiment have a result?
... variable. In quantum theory, then, one must treat the time of detection as an observable. Now, as is well-known, Pauli’s Theorem implies that there is no self-adjoint operator with the requisite properties (Srinivas and Vijayalakshmi [1981]). But what is actually established by this result is that ...
... variable. In quantum theory, then, one must treat the time of detection as an observable. Now, as is well-known, Pauli’s Theorem implies that there is no self-adjoint operator with the requisite properties (Srinivas and Vijayalakshmi [1981]). But what is actually established by this result is that ...
Basics of Quantum Mechanics Dragica Vasileska Professor Arizona State University
... • Quantum state is a conglomeration of several possible outcomes of measurement of physical properties Quantum mechanics uses the language of PROBABILITY theory (random chance) • An observer cannot observe a microscopic system without altering some of its properties. Neither one can predict how th ...
... • Quantum state is a conglomeration of several possible outcomes of measurement of physical properties Quantum mechanics uses the language of PROBABILITY theory (random chance) • An observer cannot observe a microscopic system without altering some of its properties. Neither one can predict how th ...
