搜索结果: 1-15 共查到“知识库 物理学 Physics”相关记录159条 . 查询时间(0.156 秒)
清华大学物理系周树云及合作者在《Nature Reviews Physics》上发表量子材料光诱导新奇物理效应综述文章（图）
脉冲激光激发 量子材料光诱导 瞬态电子结构 弗洛凯工程
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2022/4/22
在二维材料和拓扑材料等量子材料的研究中，光和物质的相互作用起着重要的作用。它不仅是研究材料处于平衡态时的物理特性的重要探测手段，更为重要的是，脉冲激光激发还可以作为一种物态调控新手段。利用光激发可诱导或“衍生”出平衡态所不具有的新奇物态，进而在超快（皮秒甚至飞秒）时间尺度上实现量子材料的物性调控。近期，清华大学物理系周树云教授及合作者受邀在《Nature Reviews Physics》上撰写量子...
Introduction to Quantum Algorithms for Physics and Chemistry
Introduction Quantum Algorithms Physics Chemistry
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2016/1/22
Controllable quantum systems provide unique opportunities for solving problems in quantum chemistry and many-body physics that are intractable by classical computers. This approach is called “quantum ...
Review of the Book “Quantum Enigma - Physics Encounters Consciousness”
quantum enigma consciousness measurement problem
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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...
Two Comparative Case Studies of b-quark and c-quark Physics: • Particle-antiparticle Mixing • Radiative Weak Decays
Dollar mixed weak radioactive decay D meson pseudo-scalar meson particle antiparticles
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2014/12/23
We discuss prospects for detecting the two charm-related phenomena of $D^0$-${\bar D}^0$ mixing and weak radiative decays of $D$ mesons ({\it e.g.} $D\to K^* + \gamma$). A general update of particle-a...
NONPERTURBATIVE METHODS IN KAON PHYSICS (ASIDE FROM THE LATTICE)
Kaon physics hadron
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2014/12/23
I discuss the progress in the use of analytic techniques for low energy QCD, in particular as applied to kaon physics. These methods are becoming increasingly powerful and we have gained a good deal o...
Charm physics 1996 - A retrospective
Heavy meson decays pseudoscalar conversion the understanding of physics the charm of quarks glamour spectroscopy neutral current
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2014/12/22
A pedagogically oriented review is given of progress made over the past year in our understanding of physics related to the charm quark. Included are discussions of the Rc deficit, the ψ′ anomaly, cha...
Search for physics beyond the standard model via a polarization-asymmetry correlation experiment on In-107
Precision measurement polarization positron emission framework model of ev energy
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2014/12/22
We report on a new precision measurement of the longitudinal polarization of positrons emitted by polarized 107In nuclei. If interpreted in the framework of the manifest left-right symmetric model, pr...
Hyperon Physics—a Personal Overview
Physics challenge
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2014/12/22
A range of issues in the field of hyperon physics is presented, together with an assessment of where important challenges remain.
EFFECTIVE FIELD THEORY IN NUCLEAR PHYSICS
Electromagnetic hadron physics nuclear physics
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2014/12/22
The Electromagnetic and Hadronic Physics sub-community of nuclear physics held a town hall meeting at Jefferson Lab during November 30 to December 4 of 2000. This is is our combined contribution to th...
Neutrino physics
Neutrino physics quantum mechanics and modern physics
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2014/12/22
The basic concepts of neutrino physics are presented at a level appropriate for integration into elementary courses on quantum mechanics and/or modern physics
Classical physics and quantum loops
Circulation expansion classical physics quantum mechanics massless particles
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2014/12/20
The standard picture of the loop expansion associates a factor of ˉh with each loop, suggesting that the tree diagrams are to be associated with classical physics, while loop effects are quantum mecha...
Neutrino physics: An update
Micro physics liquid scintillation space probe
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2014/12/20
We update our recent didactic survey of neutrino physics, including new results from the Sudbury Neutrino Observatory and Kamioka Liquid Scintillator Anti-Neutrino Detector experiments, and recent con...
Graviton physics
Gravitons familiar with the photon graviton scattering amplitude electromagnetic spiral
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2014/12/20
The interactions of gravitons with matter are calculated in parallel with the familiar photon case. It is shown that graviton scattering amplitudes can be factorized into a product of familiar electro...
New physics contributions to the lifetime difference in D-0-(D)over-bar(0) mixing
New physics model light quark mass
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2014/12/20
We present the first general analysis of New Physics contributions to the D0-D̅ 0 lifetime difference (equivalently ΔΓD). We argue that New Physics (NP) contributions to |ΔC|=1 processes can domi...
Implications of D-0-(D)over-bar(0) mixing for new physics
The new physics Hamiltonian physical model fermions and bosons
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2014/12/20
We provide a comprehensive, up-to-date analysis of possible new physics contributions to the mass difference ΔMD in D0-D̅ 0 mixing. We consider the most general low-energy effective Hamiltonian a...