搜索结果: 1-14 共查到“物理学 U-centers”相关记录14条 . 查询时间(0.062 秒)
Gyroscopes based on nitrogen-vacancy centers in diamond
Gyroscopes nitrogen-vacancy centers diamond Atomic Physics
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2012/5/17
We propose solid-state gyroscopes based on ensembles of negatively charged nitrogen-vacancy centers in diamond. In one scheme, rotation of the nitrogen-vacancy symmetry axis will induce Berry's phase ...
Diamond particles as nanoantennas for nitrogen-vacancy color centers
Diamond particles nanoantennas nitrogen-vacancy color centers Quantum Physics
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2011/8/2
Abstract: The photoluminescence of nitrogen-vacancy (NV) centers in diamond nanoparticles exhibits specific properties as compared to NV centers in bulk diamond. For instance large fluctuations of lif...
IR Bismuth active centers in optical fibers: Combined excitation-emission spectroscopy
IR Bismuth active centers excitation-emission spectroscopy
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2011/9/2
Впервые получены 3-мерные спектры люминесценции (интенсивность люминесценции в зависимости от длин волн возбуждения и эмиссии) легированных висмутом волоконных световодов различного состава в широком ...
Depairing critical current achieved in superconducting thin films with through-thickness arrays of artificial pinning centers
Depairing critical current through-thickness arrays artificial pinning centers
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2010/11/24
Large area arrays of through-thickness nanoscale pores have been milled into superconducting Nb
thin lms via a process utilizing anodized aluminum oxide thin lm templates. These pores act as arti c...
Chemical control of the charge state of nitrogen-vacancy centers in diamond
Chemical control of the charge state nitrogen-vacancy centers in diamond
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2010/11/25
We investigate the e ect of surface termination on the charge state of nitrogen vacancy centers,which have been ion-implanted few nanometers below the surface of diamond. We nd that,when changing the...
Quantum information transfer with nitrogen-vacancy centers coupled to a whispering-gallery microresonator
Quantum information transfer nitrogen-vacancy centers coupled whispering-gallery microresonator
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2010/11/9
We propose an efficient scheme for the realization of quantum information transfer and entanglement with nitrogen-vacancy (NV) centers coupled to a high-Q microspherical resonator. We show that, base...
NSF Renews Centers for Nanotechnology in Society（图）
NSF Centers Nanotechnology Society
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2010/10/13
The National Science Foundation (NSF) recently renewed two important cooperative agreements totaling more than $12.5 million over five years. These awards leverage previous investments for studying th...
Properties of nitrogen-vacancy centers in diamond: group theoretic approach
Properties nitrogen-vacancy centers diamond group theoretic approach
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2010/10/29
We present a procedure that makes use of group theory to analyze and predict the main properties of the negatively charged nitrogen-vacancy (NV) center in diamond. We focus on the relatively low tempe...
Broadband magnetometry by infrared-absorption detection of diamond NV centers
Broadband magnetometry infrared-absorption detection
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2010/10/27
We demonstrate magnetometry by detection of the spin state of high-density nitrogenvacancy
(NV) ensembles in diamond using optical absorption at 1042 nm. With this technique,
measurement contrast an...
Single Color Centers Implanted in Diamond Nanostructures
Single Color Centers Diamond Nanostructures
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2010/10/27
The development of materials processing techniques for optical diamond nanostructures containing a single color center is an important problem in quantum science and technology. In this work, we prese...
Off-Center D- Centers in a Quantum Dot in the Presence of a Perpendicular Magnetic Fields
D- center few-body physics quantum dot
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2007/8/15
2001Vol.35No.4pp.497-500DOI:
Off-Center D- Centers in a Quantum Dot in the Presence of a Perpendicular Magnetic Fields
XIE Wen-Fang
Department of Physics, Guangzhou Univ...
Donor Centers in a Gaussian Potential
donor quantum dots
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2007/8/15
2007Vol.47No.1pp.167-170DOI:
Donor Centers in a Gaussian Potential
XIE Wen-Fang
Department of Physics, Guangzhou University, Guangzhou 510006, China
(Received:...
Energy Dependence of a Vortex Line Length Near a Zigzag of Pinning Centers
Energy Dependence a Vortex Line Length Pinning Centers
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2010/10/13
A vortex line, shaped by a zigzag of pinning centers, is described here through a three-dimensional unit cell containing two pinning centers positioned symmetrically with respect to its center. The un...
Relativistic Electron in the Field of Two Coulomb Centers
Relativistic Electron Two Coulomb Centers
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2010/4/19
Ground state wave function and the energy term of the relativistic electron moving in the field of two Coulomb centers are calculated analytically by the method of linear combination of atomic orbital...