|
| related topics |
| {measurement, state, measurements} |
| {information, entropy, channel} |
| {time, decoherence, evolution} |
| {time, wave, function} |
| {energy, gaussian, time} |
| {time, systems, information} |
| {temperature, thermal, energy} |
| {phase, path, phys} |
| {cos, sin, state} |
|
Entropy decrease in Quantum Zeno Effect
Arun K. Pati
abstract: If a measurement process is regarded as an irreversible process, then by
Second law of thermodynamics the entropy should increase after any measurement
process. By the same spirit a quantum system undergoing repeated measurement
should show strong irreversibility leading to entropy production. On the
contrary we show that in quantum Zeno effect setting the entropy of a quantum
system decreases and goes to zero after a large number of measurements. We
discuss the entropy change under continuous measurement model and show that
entropy can decrease if we use a more accurate measuring apparatus.
- oai_identifier:
- oai:arXiv.org:quant-ph/0006089
- categories:
- quant-ph
- comments:
- Latex file, 6 pages, no figures
- arxiv_id:
- quant-ph/0006089
- created:
- 2000-06-20
Full article ▸
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