232 citations
- Helmholtz-Zentrum Dresden-RossendorfDE7 papers
- Physikalisch-Technische BundesanstaltDE6 papers
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- St Petersburg UniversityRU3 papers
- Institute of Semiconductor PhysicsRU2 papers
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5 papers · 1 filter
How to solve Fokker-Planck equation treating mixed eigenvalue spectrum?
M. Brics, J. Kaupuzs, R. Mahnke
An analogy of the Fokker-Planck equation (FPE) with the Schrödinger equation allows us to use quantum mechanics technique to find the analytical solution of the FPE in a number of…
Provable Advantage for Quantum Strategies in Random Symmetric XOR Games
Andris Ambainis, Jānis Iraids
Non-local games are widely studied as a model to investigate the properties of quantum mechanics as opposed to classical mechanics. In this paper, we consider a subset of non-local…
Exact quantum query complexity of EXACT and THRESHOLD
Andris Ambainis, Jānis Iraids, Juris Smotrovs
A quantum algorithm is exact if it always produces the correct answer, on any input. Coming up with exact quantum algorithms that substantially outperform the best classical algori…
Enhancement of level-crossing resonances in rubidium atoms by frequency control of the exciting radiation field
Marcis Auzinsh, Andris Berzins, Ruvin Ferber +4
We studied magneto-optical resonances caused by excited-state level crossings in a nonzero magnetic field. Experimental measurements were performed on the transitions of the …
Further remarks on an order for quantum observables
J. Cirulis
S. Gudder and, later, S. Pulmanova and E. Vincekova, have studied in two recent papers a certain ordering of bounded self-adjoint operators on a Hilbert space. We present some furt…