Continuous Quantum Measurements and Path Integrals

2017 ◽  
Author(s):  
Michael B Mensky
Keyword(s):  
Path Integrals ◽  
Quantum Measurements ◽  
Continuous Quantum Measurements

scholarly journals Convergence Conditions of Mixed States and their von Neumann Entropy in Continuous Quantum Measurements

2014 ◽  
Vol 21 (04) ◽  
pp. 1450010
Author(s):  
Toru Fuda
Keyword(s):  
Quantum Measurements ◽  
Von Neumann Entropy ◽  
Projection Operators ◽  
Mixed States ◽  
Convergence Conditions ◽  
Von Neumann ◽  
Zeno Effect ◽  
The Difference ◽  
Arbitrary Precision ◽  
Continuous Quantum Measurements

By carrying out appropriate continuous quantum measurements with a family of projection operators, a unitary channel can be approximated in an arbitrary precision in the trace norm sense. In particular, the quantum Zeno effect is described as an application. In the case of an infinite dimension, although the von Neumann entropy is not necessarily continuous, the difference of the entropies between the states, as mentioned above, can be made arbitrarily small under some conditions.

scholarly journals Emergent classicality in continuous quantum measurements

2013 ◽  
Vol 15 (1) ◽  
pp. 013005 ◽  
Author(s):  
Juha Javanainen ◽  
Janne Ruostekoski
Keyword(s):  
Quantum Measurements ◽  
Continuous Quantum Measurements

scholarly journals Continuous quantum measurements of a particle in a Paul trap

1998 ◽  
Vol 247 (6) ◽  
pp. 373-379 ◽  
Author(s):  
A. Camacho ◽  
A. Camacho-Galván
Keyword(s):  
Paul Trap ◽  
Quantum Measurements ◽  
Continuous Quantum Measurements
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