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Showing 25 to 36 of 472 entries
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Nanoscale potential fluctuations in (GaMn)As/GaAs heterostructures: from individual ions to charge clusters and electrostatic quantum dots.

Nano letters

Wijnheijmer AP, Makarovsky O, Garleff JK, Eaves L, Campion RP, Gallagher BL, Koenraad PM.
PMID: 21038865
Nano Lett. 2010 Dec 08;10(12):4874-9. doi: 10.1021/nl102739y. Epub 2010 Nov 01.

During growth of the dilute p-type ferromagnetic semiconductor Ga1-xMnxAs, interstitial manganese, Mni(2+), is formed when x exceeds 2%. The double donor Mni(2+) compensates the free holes that mediate ferromagnetism. Annealing causes out-diffusion of these interstitials, thereby increasing the Curie...

Response of large area avalanche photodiodes to low energy x rays.

The Review of scientific instruments

Gentile TR, Bales M, Arp U, Dong B, Farrell R.
PMID: 22667600
Rev Sci Instrum. 2012 May;83(5):053105. doi: 10.1063/1.4714348.

For an experiment to study neutron radiative beta-decay, we operated large area avalanche photodiodes (APDs) near liquid nitrogen temperature to detect x rays with energies between 0.2 keV and 20 keV. Whereas there are numerous reports of x ray...

Scientific convergence: dealing with the elephant in the room.

Environmental science & technology

Linkov I, Wood M, Bates M.
PMID: 25148594
Environ Sci Technol. 2014 Sep 16;48(18):10539-40. doi: 10.1021/es503585u. Epub 2014 Aug 22.

No abstract available.

Quantum discord and the geometry of Bell-diagonal states.

Physical review letters

Lang MD, Caves CM.
PMID: 21230879
Phys Rev Lett. 2010 Oct 08;105(15):150501. doi: 10.1103/PhysRevLett.105.150501. Epub 2010 Oct 04.

The set of Bell-diagonal states for two qubits can be depicted as a tetrahedron in three dimensions. We consider the level surfaces of entanglement and quantum discord for Bell-diagonal states. This provides a complete picture of the structure of...

Resonant tunnelling and negative differential conductance in graphene transistors.

Nature communications

Britnell L, Gorbachev RV, Geim AK, Ponomarenko LA, Mishchenko A, Greenaway MT, Fromhold TM, Novoselov KS, Eaves L.
PMID: 23653206
Nat Commun. 2013;4:1794. doi: 10.1038/ncomms2817.

The chemical stability of graphene and other free-standing two-dimensional crystals means that they can be stacked in different combinations to produce a new class of functional materials, designed for specific device applications. Here we report resonant tunnelling of Dirac...

Subterahertz acoustical pumping of electronic charge in a resonant tunneling device.

Physical review letters

Young ES, Akimov AV, Henini M, Eaves L, Kent AJ.
PMID: 23003634
Phys Rev Lett. 2012 Jun 01;108(22):226601. doi: 10.1103/PhysRevLett.108.226601. Epub 2012 May 31.

We demonstrate that controlled subnanosecond bursts of electronic charge can be transferred through a resonant tunneling diode by successive picosecond acoustic pulses. The effect exploits the nonlinear current-voltage characteristics of the device and its asymmetric response to the compressive...

Contributions to the Improvement of Living Conditions among Neglected Populations with Trachoma.

Tropical medicine and health

Goldschmidt P, Einterz E, Bates M, Abba F, Chaumeil C, Bensaid P.
PMID: 22949800
Trop Med Health. 2012 Apr;40(1):1-6. doi: 10.2149/tmh.2011-25. Epub 2012 Apr 01.

OBJECTIVE: Trachoma (Chlamydia-triggered blinding infection) provoked irreversible visual impairment in about 8 million people in 2011, and the prevalence among children with dirty faces is more than three fold that among children with clean faces. In 250 villages with...

Information-theoretic Bell inequalities.

Physical review letters

Braunstein SL, Caves CM.
PMID: 10039398
Phys Rev Lett. 1988 Aug 08;61(6):662-665. doi: 10.1103/PhysRevLett.61.662.

No abstract available.

Comment on "Quantitative limits on the ability of a Maxwell demon to extract work from heat".

Physical review letters

Caves CM, Unruh WG, Zurek WH.
PMID: 10042251
Phys Rev Lett. 1990 Sep 10;65(11):1387. doi: 10.1103/PhysRevLett.65.1387.

No abstract available.

Maximum-likelihood analysis of multiple quantum phase measurements.

Physical review letters

Braunstein SL, Caves CM, Lane AS.
PMID: 10046412
Phys Rev Lett. 1992 Oct 12;69(15):2153-2156. doi: 10.1103/PhysRevLett.69.2153.

No abstract available.

Noncommuting mixed states cannot be broadcast.

Physical review letters

Barnum H, Caves CM, Fuchs CA, Jozsa R, Schumacher B.
PMID: 10060796
Phys Rev Lett. 1996 Apr 08;76(15):2818-2821. doi: 10.1103/PhysRevLett.76.2818.

No abstract available.

Magnetic-field-induced resonant tunneling in parallel two-dimensional systems.

Physical review. B, Condensed matter

Carmona H, Eaves L, Henini M, Ihn T, Main PC.
PMID: 9986166
Phys Rev B Condens Matter. 1996 Jul 15;54(4):R2315-R2318. doi: 10.1103/physrevb.54.r2315.

No abstract available.

Showing 25 to 36 of 472 entries