419 citations
Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.
- Massachusetts Institute of TechnologyUS181 papers
- Vilnius UniversityLT180 papers
- Boğaziçi UniversityTR178 papers
- Deutsches Elektronen-Synchrotron DESYDE178 papers
- University of Nebraska–LincolnUS178 papers
- Bulgarian Academy of SciencesBG176 papers
- Sofia University "St. Kliment Ohridski"BG175 papers
- University of BristolGB175 papers
- University of HelsinkiFI175 papers
- University of AntwerpBE174 papers
- University of BelgradeRS174 papers
- University of Notre DameUS174 papers
16 papers · 1 filter
Fourier transform spectroscopy and coupled-channel deperturbation treatment of the A1Sigma+ ~ b3Pi complex of KCs molecule
A. Kruzins, I. Klincare, O. Nikolayeva +4
The laser induced fluorescence (LIF) spectra A1Sigma ~ b3Pi --> X1Sigma+ of KCs dimer were recorded in near infrared region by Fourier Transform Spectrometer with a resolution of 0…
A Quantum Lovasz Local Lemma
Andris Ambainis, Julia Kempe, Or Sattath
The Lovasz Local Lemma (LLL) is a powerful tool in probability theory to show the existence of combinatorial objects meeting a prescribed collection of "weakly dependent" criteria.…
The Need for Structure in Quantum Speedups
Scott Aaronson, Andris Ambainis
Is there a general theorem that tells us when we can hope for exponential speedups from quantum algorithms, and when we cannot? In this paper, we make two advances toward such a th…
Random tensor theory: extending random matrix theory to random product states
Andris Ambainis, Aram W. Harrow, Matthew B. Hastings
We consider a problem in random matrix theory that is inspired by quantum information theory: determining the largest eigenvalue of a sum of p random product states in (C^d)^{otime…
Non-adiabatic pumping of single electrons affected by magnetic fields
Christoph Leicht, Bernd Kaestner, Vyacheslavs Kashcheyevs +4
Non-adiabatic pumping of discrete charges, realized by a dynamical quantum dot in an AlGaAs/GaAs heterostructure, is studied under influence of a perpendicular magnetic field. Appl…
Nonlinear magneto-optical resonances at D1 excitation of 85Rb and 87Rb in an extremely thin cell
M. Auzinsh, R. Ferber, F. Gahbauer +4
Nonlinear magneto-optical resonances have been measured in an extremely thin cell (ETC) for the D1 transition of rubidium in an atomic vapor of natural isotopic composition. All hy…
Limits on entropic uncertainty relations for 3 and more MUBs
Andris Ambainis
We consider entropic uncertainty relations for outcomes of the measurements of a quantum state in 3 or more mutually unbiased bases (MUBs), chosen from the standard construction of…
Average/Worst-Case Gap of Quantum Query Complexities by On-Set Size
Andris Ambainis, Kazuo Iwama, Masaki Nakanishi +4
This paper considers the query complexity of the functions in the family F_{N,M} of N-variable Boolean functions with onset size M, i.e., the number of inputs for which the functio…
Light-induced polarization effects in atoms with partially resolved hyperfine structure and applications to absorption, fluorescence, and nonlinear magneto-optical rotation
M. Auzinsh, D. Budker, S. M. Rochester
The creation and detection of atomic polarization is examined theoretically, through the study of basic optical-pumping mechanisms and absorption and fluorescence measurements, and…
Influence of electromagnetic boundary conditions onto the onset of dynamo action in laboratory experiments
R. Avalos-Zuniga, F. Plunian
We study the onset of dynamo action of the Riga and Karlsruhe experiments with the addition of an external wall, the electro-magnetic properties of which being different from those…
Autoionization of an ultracold Rydberg gas through resonant dipole coupling
T. Amthor, J. Denskat, C. Giese +4
We investigate a possible mechanism for the autoionization of ultracold Rydberg gases, based on the resonant coupling of Rydberg pair states to the ionization continuum. Unlike an…
Detailed studies of non-linear magneto-optical resonances at D1 excitation of Rb-85 and Rb-87 for partially resolved hyperfine F-levels
M. Auzinsh, R. Ferber, F. Gahbauer +2
Experimental signals of non-linear magneto-optical resonances at D1 excitation of natural rubidium in a vapor cell have been obtained and described with experimental accuracy by a…
The quantum query complexity of certification
Andris Ambainis, Andrew M. Childs, François Le Gall +1
We study the quantum query complexity of finding a certificate for a d-regular, k-level balanced NAND formula. Up to logarithmic factors, we show that the query complexity is Theta…
Optical and X-ray Observations of M31N 2007-12b: An Extragalactic Recurrent Nova with a Detected Progenitor?
M. F. Bode, M. J. Darnley, A. W. Shafter +4
We report combined optical and X-ray observations of nova M31N 2007-12b. Optical spectroscopy obtained 5 days after the 2007 December outburst shows evidence of very high ejection…
Ab initio DFT+U study of He atom incorporation into UO2 crystals
Denis Gryaznov, Eugene Heifets, Eugene Kotomin
We present and discuss results of a density functional theory (DFT) study of a perfect UO2 crystals and He atoms in octahedral interstitial positions. We have calculated basic bulk…
Universal decay cascade model for dynamic quantum dot initialization
Vyacheslavs Kashcheyevs, Bernd Kaestner
Dynamic quantum dots can be formed by time-dependent electrostatic potentials in nanoelectronic devices, such as gate- or surface-acoustic-wave-driven electron pumps. Ability to co…