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Showing 1 to 12 of 91035 entries
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Detecting non-Abelian anyons by charging spectroscopy.

Physical review letters

Ben-Shach G, Laumann CR, Neder I, Yacoby A, Halperin BI.
PMID: 23521280
Phys Rev Lett. 2013 Mar 08;110(10):106805. doi: 10.1103/PhysRevLett.110.106805. Epub 2013 Mar 08.

Observation of non-Abelian statistics for the e/4 quasiparticles in the ν = 5/2 fractional quantum Hall state remains an outstanding experimental problem. The non-Abelian statistics are linked to the presence of additional low energy states in a system with...

Catch and release of microwave photon states.

Physical review letters

Yin Y, Chen Y, Sank D, O'Malley PJ, White TC, Barends R, Kelly J, Lucero E, Mariantoni M, Megrant A, Neill C, Vainsencher A, Wenner J, Korotkov AN, Cleland AN, Martinis JM.
PMID: 23521281
Phys Rev Lett. 2013 Mar 08;110(10):107001. doi: 10.1103/PhysRevLett.110.107001. Epub 2013 Mar 04.

We demonstrate a superconducting resonator with variable coupling to a measurement transmission line. The resonator coupling can be adjusted through zero to a photon emission rate 1000 times the intrinsic resonator decay rate. We demonstrate the catch and release...

Strongly spin-orbit coupled two-dimensional electron gas emerging near the surface of polar semiconductors.

Physical review letters

Sakano M, Bahramy MS, Katayama A, Shimojima T, Murakawa H, Kaneko Y, Malaeb W, Shin S, Ono K, Kumigashira H, Arita R, Nagaosa N, Hwang HY, Tokura Y, Ishizaka K.
PMID: 23521291
Phys Rev Lett. 2013 Mar 08;110(10):107204. doi: 10.1103/PhysRevLett.110.107204. Epub 2013 Mar 07.

We investigate the two-dimensional highly spin-polarized electron accumulation layers commonly appearing near the surface of n-type polar semiconductors BiTeX (X=I, Br, and Cl) by angular-resolved photoemission spectroscopy. Because of the polarity and the strong spin-orbit interaction built in the...

Broadly tunable subterahertz emission from internal branches of the current-voltage characteristics of superconducting Bi2Sr2CaCu2O(8+δ) single crystals.

Physical review letters

Tsujimoto M, Yamamoto T, Delfanazari K, Nakayama R, Kitamura T, Sawamura M, Kashiwagi T, Minami H, Tachiki M, Kadowaki K, Klemm RA.
PMID: 22463446
Phys Rev Lett. 2012 Mar 09;108(10):107006. doi: 10.1103/PhysRevLett.108.107006. Epub 2012 Mar 09.

Continuous, coherent subterahertz radiation arises when a dc voltage is applied across a stack of the many intrinsic Josephson junctions in a Bi2Sr2CaCu2O(8+δ) single crystal. The active junctions produce an equal number of I-V characteristic branches. Each branch radiates...

Local quantum criticality of an iron-pnictide tetrahedron.

Physical review letters

Ong TT, Coleman P.
PMID: 22463447
Phys Rev Lett. 2012 Mar 09;108(10):107201. doi: 10.1103/PhysRevLett.108.107201. Epub 2012 Mar 05.

Motivated by the close correlation between transition temperature (T(c)) and the tetrahedral bond angle of the As-Fe-As layer observed in the iron-based superconductors, we study the interplay between spin and orbital physics of an isolated iron-arsenide tetrahedron embedded in...

Nucleation and crystal growth in sheared granular sphere packings.

Physical review letters

Panaitescu A, Reddy KA, Kudrolli A.
PMID: 22463455
Phys Rev Lett. 2012 Mar 09;108(10):108001. doi: 10.1103/PhysRevLett.108.108001. Epub 2012 Mar 06.

We investigate the nucleation of ordered phases, their symmetries, and distributions in dense frictional hard sphere packings as a function of particle volume fraction ϕ, by imposing cyclic shear and constant applied pressure conditions. We show, with internal imaging,...

Validity of the law of mass action in three-dimensional coagulation processes.

Physical review letters

Winkler AA, Frey E.
PMID: 22463460
Phys Rev Lett. 2012 Mar 09;108(10):108301. doi: 10.1103/PhysRevLett.108.108301. Epub 2012 Mar 05.

Diffusion-limited reactions are studied in detail on the classical coalescing process. We demonstrate how, with the aid of a recent renormalization group approach, fluctuations can be integrated systematically. We thereby obtain an exact relation between the microscopic physics (lattice...

Density and spin response of a strongly interacting Fermi gas in the attractive and quasirepulsive regime.

Physical review letters

Palestini F, Pieri P, Strinati GC.
PMID: 22463501
Phys Rev Lett. 2012 Feb 24;108(8):080401. doi: 10.1103/PhysRevLett.108.080401. Epub 2012 Feb 23.

Recent experimental advances in ultracold Fermi gases allow for exploring response functions under different dynamical conditions. In particular, the issue of obtaining a "quasirepulsive" regime starting from a Fermi gas with an attractive interparticle interaction while avoiding the formation...

Quantum system identification.

Physical review letters

Burgarth D, Yuasa K.
PMID: 22463508
Phys Rev Lett. 2012 Feb 24;108(8):080502. doi: 10.1103/PhysRevLett.108.080502. Epub 2012 Feb 23.

The aim of quantum system identification is to estimate the ingredients inside a black box, in which some quantum-mechanical unitary process takes place, by just looking at its input-output behavior. Here we establish a basic and general framework for...

Connecting neutron star observations to three-body forces in neutron matter and to the nuclear symmetry energy.

Physical review letters

Steiner AW, Gandolfi S.
PMID: 22463511
Phys Rev Lett. 2012 Feb 24;108(8):081102. doi: 10.1103/PhysRevLett.108.081102. Epub 2012 Feb 22.

Using a phenomenological form of the equation of state of neutron matter near the saturation density which has been previously demonstrated to be a good characterization of quantum Monte Carlo simulations, we show that currently available neutron star mass...

Integrable spin chain for the SL(2,R)/U(1) black hole sigma model.

Physical review letters

Ikhlef Y, Jacobsen JL, Saleur H.
PMID: 22463514
Phys Rev Lett. 2012 Feb 24;108(8):081601. doi: 10.1103/PhysRevLett.108.081601. Epub 2012 Feb 23.

We introduce a spin chain based on finite-dimensional spin-1/2 SU(2) representations but with a non-Hermitian "Hamiltonian" and show, using mostly analytical techniques, that it is described at low energies by the SL(2,R)/U(1) Euclidian black hole conformal field theory. This...

Control of material damping in high-Q membrane microresonators.

Physical review letters

Yu PL, Purdy TP, Regal CA.
PMID: 22463530
Phys Rev Lett. 2012 Feb 24;108(8):083603. doi: 10.1103/PhysRevLett.108.083603. Epub 2012 Feb 23.

We study the mechanical quality factors of bilayer aluminum-silicon-nitride membranes. By coating ultrahigh-Q Si(3)N(4) membranes with a more lossy metal, we can precisely measure the effect of material loss on Q's of tensioned resonator modes over a large range...

Showing 1 to 12 of 91035 entries