Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.
- Fermi National Accelerator LaboratoryUS2.4k papers
- Purdue University West LafayetteUS2.2k papers
- Northwestern UniversityUS2.2k papers
- University of FloridaUS2.2k papers
- Massachusetts Institute of TechnologyUS2.1k papers
- University of KansasUS2.1k papers
- The Ohio State UniversityUS2.1k papers
- Carnegie Mellon UniversityUS2k papers
- University of Wisconsin–MadisonUS2k papers
- Centre National de la Recherche ScientifiqueFR2k papers
- University of Maryland, College ParkUS1.9k papers
- Joint Institute for Nuclear ResearchRU1.9k papers
10 papers · 2 filters
Quantum fast Fourier transform using multilevel atoms
Ashok Muthukrishnan, C. R. Stroud
We propose an implementation of the quantum fast Fourier transform algorithm in an entangled system of multilevel atoms. The Fourier transform occurs naturally in the unitary time…
Entanglement of internal and external angular momenta of a single atom
Ashok Muthukrishnan, C. R. Stroud
We consider the exchange of spin and orbital angular momenta between a circularly polarized Laguerre-Gaussian beam of light and a single atom trapped in a two-dimensional harmonic…
Geometric phases of mesoscopic spin in Bose-Einstein condensates
I. Fuentes-Guridi, J. Pachos, S. Bose +2
We propose a possible scheme for generating spin-J geometric phases using a coupled two-mode Bose-Einstein condensate (BEC). First we show how to observe the standard Berry phase u…
Ultrahigh reflection from a medium with ultraslow group velocity
V. V. Kozlov, S. Wallentowitz, S. Raghavan
We show that an incident wavepacket at the boundary to a medium with extremely slow group velocity, experiences enhanced reflection and a substantial spatial and temporal distortio…
Fidelity trade-off for finite ensembles of identically prepared qubits
Konrad Banaszek, Igor Devetak
We calculate the trade-off between the quality of estimating the quantum state of an ensemble of identically prepared qubits and the minimum level of disturbance that has to be int…
Nondistortion Quantum Interrogation using EPR entangled Photons
Xingxiang Zhou, Zheng-Wei Zhou, Marc J. Feldman +1
We propose a novel scheme for nondistortion quantum interrogation (NQI), defined as an interaction-free measurement which preserves the internal state of the object being detected.…
Generation of correlated photons in controlled spatial modes by down-conversion in nonlinear waveguides
Konrad Banaszek, Alfred B. U'Ren, Ian A. Walmsley
We report the observation of correlated photon pairs generated by spontaneous parametric down-conversion in a quasi-phase matched KTiOPO4 nonlinear waveguide. The highest ratio of…
Conditions for Nondistortion Interrogation of Quantum System
Zheng-Wei Zhou, Xingxiang Zhou, Marc J. Feldman +1
Under some physical considerations, we present a universal formulation to study the possibility of localizing a quantum object in a given region without disturbing its unknown inte…
A "Tipping Pulse" Scheme for rf-SQUID Qubits
Xingxiang Zhou, Jonathan L. Habif, Mark F. Bocko +1
We introduce a technique to control the macroscopic quantum state of an rf SQUID qubit. We propose to employ a stream of single flux quantum (SFQ) pulses magnetically coupled to th…
Design of an RSFQ Control Circuit to Observe MQC on an rf-SQUID
Roberto C. Rey-de-Castro, Mark F. Bocko, Andrea M. Herr +2
We believe that the best chance to observe macroscopic quantum coherence (MQC) in a rf-SQUID qubit is to use on-chip RSFQ digital circuits for preparing, evolving and reading out t…