|
| related topics |
| {equation, function, exp} |
| {state, states, coherent} |
| {time, decoherence, evolution} |
| {level, atom, field} |
| {photon, photons, single} |
| {time, wave, function} |
| {cos, sin, state} |
| {measurement, state, measurements} |
| {operator, operators, space} |
| {temperature, thermal, energy} |
|
Microscopic models of quantum jump super-operators
A. V. Dodonov, S. S. Mizrahi, V. V. Dodonov
abstract: We discuss the quantum jump operation in an open system, and show that jump
super-operators related to a system under measurement can be derived from the
interaction of that system with a quantum measurement apparatus. We give two
examples for the interaction of a monochromatic electromagnetic field in a
cavity (the system) with 2-level atoms and with a harmonic oscillator
(representing two different kinds of detectors). We show that derived quantum
jump super-operators have `nonlinear' form which depends on assumptions made
about the interaction between the system and the detector. A continuous
transition to the standard Srinivas--Davies form of the quantum jump
super-operatoris shown.
- oai_identifier:
- oai:arXiv.org:quant-ph/0506118
- categories:
- quant-ph
- doi:
- 10.1103/PhysRevA.72.023816
- arxiv_id:
- quant-ph/0506118
- journal_ref:
- Physical Review A 72, 023816 (2005)
- created:
- 2005-06-15
- updated:
- 2007-02-01
Full article ▸
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