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Wrażliwość skorelowanych układów kropek kwantowych na zewnętrzne pole magnetyczne wywołana oddziaływaniem z otoczeniem
Celem projektu jest zbadanie aplikacyjnego potencjału dekoherencji spinów nośników ładunku zlokalizowanych w kropkach kwantowych.
Details
- Organization:
- Narodowe Centrum Nauki (NCN) (National Science Centre)
- Agreement:
- UMO-2011/01/B/ST2/05459 z dnia 2011-12-12
- Realisation period:
- 2011-12-12 - 2015-12-11
- Research team leader:
- prof. dr hab. Paweł Horodecki
- Realised in:
- Faculty of Applied Physics and Mathematics
- Project's value:
- 162 500.00 PLN
- Request type:
- National Research Programmes
- Domestic:
- Domestic project
- Verified by:
- Gdańsk University of Technology
Papers associated with that project
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Catalog Projects
Year 2018
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At the Limits of Criticality-Based Quantum Metrology: Apparent Super-Heisenberg Scaling Revisited
PublicationWe address the question of whether the super-Heisenberg scaling for quantum estimation is indeed realizable. We unify the results of two approaches. In the first one, the original system is compared with its copy rotated by the parameter-dependent dynamics. If the parameter is coupled to the one-body part of the Hamiltonian, the precision of its estimation is known to scale at most as N−1 (Heisenberg scaling) in terms of the number...
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