搜索结果: 16-30 共查到“知识库 量子力学”相关记录1423条 . 查询时间(4.937 秒)
一类带限制的Schrodinger方程的三个解
Schrodinger方程 正解 负解 PalaisSmale条件
2022/3/28
应用变分方法，研究一类带限制的Schrodinger方程，证明其在一定条件下解的存在性。所获得的三个解：一个是正解，一个是负解，对于第三个解，本文只证明它的存在性，而没有确定它的正负性。
2005年陕西师范大学承担的国家自然科学基金项目一览表。
中国科学技术大学近日宣布，该校潘建伟院士团队在国际上首次实验实现了基于人类自由意志和超高损耗下的贝尔不等式检验，并在此基础上开展全球合作，利用超过10万人的自由意志产生的随机数进行了量子非定域性检验，相关成果5月10日发表在国际顶级期刊《自然》上。
热振动是一定温度下纳尺度结构的固有运动，对其动力学行为有着重要的影响. 当空间进入纳米尺度，结构呈现离散性，量子效应、边界效应、范德华力等变得不可忽略，纳尺度结构在热噪声随机激励下的动力学行为表现出众多异乎寻常的特性. 以碳纳米管和石墨烯为代表的纳尺度碳材料具有优良的力学、电学和化学性质. 在此介绍多种针对纳尺度结构热振动问题的研究方法、及碳纳米管和石墨烯的低温热振动、碳纳米管的非线性热振动研究进...
量子科学实验卫星微振动地面测试与估计方法
量子科学实验卫星 微振动 地面测试 信号估计
2018/5/4
介绍了卫星微振动地面测试和信号估计方法.根据量子科学实验卫星特点，对动量轮运行状态下光学载荷的微振动线位移及角位移进行估计.通过地面微振动测试系统，测量了动量轮运行下光学载荷的微振动加速度；应用小波积分方法，精确估计了卫星结构敏感点的振动线位移和振动角位移.通过工程实测证明了微振动测试与估计方法的有效性.研究结果对于高精度科学实验卫星微振动地面试验具有一定工程应用意义.
Optomechanics of Levitated Dielectric Particles
Optomechanics optical trapping Brownian motion macroscopic quantum mechanics sensor
2016/1/23
We review recent works on optomechanics of optically trapped microspheres and nanoparticles in vacuum, which provide an ideal system for studying macroscopic quan-tum mechanics and ultrasensitive forc...
Experimental Observation of Entanglement Duality for Identical Particles
entanglement duality quantum indistinguishability quantum mechanics
2016/1/22
It was shown recently that entanglement of identical particles has a feature called dualism (Bose and Home 2013 Phys. Rev. Lett. 110 140404), which is funda-mentally connected with quantum indistingui...
铀酰-Salophen与四氢吡咯之间氢键的量子化学研究
密度泛函理论(DFT) 铀酰-Salophen 氢键 四氢吡咯
2018/10/8
基于密度泛函理论(DFT)计算方法,对铀酰-Salophen与四氢吡咯及水分子之间形成的氢键进行了理论计算及分析.结果表明体系1和体系2中的氢键键长都小于0.228 nm,键角都在160°~178°之间,体系1中Salophen的O1与四氢吡咯上的H1之间的氢键相互作用能EHB=-10.658 kJ/mol,在体系2中铀酰的O3与四氢吡咯上的H3及O1与H1之间的氢键相互作用能分别为EHB=-...
Review of the Book “Quantum Enigma - Physics Encounters Consciousness”
quantum enigma consciousness measurement problem
2015/7/29
By explicitly discussing the connections between quantum mechanics and consciousness and bravely using the book containing these discussions as course material for students, the authors show the reade...
Suppression of the critical temperature for superfluidity near the Mott transition
Ultracold atoms optical lattice gas. Quantum multibody system such as quantum simulator
2014/12/19
Ultracold atomic gases in optical lattices have proven to be a controllable, tunable and clean implementation of strongly interacting quantum many-body systems. An essential prospect for such quantum ...
Elastic building blocks for confined sheets
Elastic thin sheet bending smooth constraint the stress distribution energy mechanical constraints
2014/12/19
We study the behavior of thin elastic sheets that are bent and strained under the influence of weak, smooth confinement. We show that the emerging shapes exhibit the coexistence of two types of domain...
Worm Algorithm for Problems of Quantum and Classical Statistics
Quantum phase transition worms algorithm and strength
2014/12/19
This is a chapter of the multi-author book “Understanding Quantum Phase Transitions,” edited by Lincoln Carr and published by Taylor & Francis. In this chapter, we give a general introduction to the w...
Geometric symmetries in superfluid vortex dynamics
Quantization vortex line fluid dynamics fluid flow vortex dynamics
2014/12/18
Dynamics of quantized vortex lines in a superfluid feature symmetries associated with the geometric character of the complex-valued field, w(z)=x(z)+iy(z), describing the instant shape of the line. Al...
Comment on "Symmetries and Interaction Coefficients of Kelvin waves" [arXiv:1005.4575] by Lebedev and L'vov
Quantization super fluid dynamics fluid vortex dynamics
2014/12/18
Dynamics of quantized vortex lines in a superfluid feature symmetries associated with the geometric character of the complex-valued field, w(z)=x(z)+iy(z), describing the instant shape of the line. Al...
Diagrammatic Monte Carlo for correlated fermions
Feynman diagrams series fermion quantum thermodynamics hubbard model Fermi liquid regime single particle energy itself
2014/12/18
We show that Monte Carlo sampling of the Feynman diagrammatic series (DiagMC) can be used for tackling hard fermionic quantum many-body problems in the thermodynamic limit by presenting accurate resul...