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【北京大学物理化学讲座】The route going from transition path time distributions and protein folding times, to quantum mechanics, tunneling times and nonadiabatic transition times（图）
route going transition path time distributions quantum mechanics
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2023/6/19
【北京大学物理化学讲座】The route going from transition path time distributions and protein folding times, to quantum mechanics, tunneling times and nonadiabatic transition times
A quantum spin liquid（图）
quantum spin liquid
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2017/11/23
A team led by Assistant Professor of Physics Fazel Tafti has created an elusive honeycomb-structured material capable of frustrating the magnetic properties within it in order to produce a chemical en...
From Transistor to Trapped-ion Computers for Quantum Chemistry
Transistor Trapped-ion Computers Quantum Chemistry
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2016/1/22
Over the last few decades, quantum chemistry has progressed through the development of computational methods based on modern digital computers. However, these methods can hardly fulfill the exponentia...
The 15th ICQC International Congress of Quantum Chemistry
The 15th ICQC International Congress of Quantum Chemistry
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2015/1/8
We cordially invite you to attend the 15th International Congress of Quantum Chemistry, (15th ICQC), June 8-13, 2015, which will take place in the beautiful campus of Tsinghua University in the city o...
The University of Queensland team challenges the limits of famous quantum principle（图）
quantum principle quantum particles
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2014/7/9
A team of physicists is challenging the very limits of Heisenberg’s famous uncertainty principle by measuring quantum particles with unprecedented accuracy.
Optimal tunneling enhances the quantum photovoltaic effect in double quantum dots
electronic transport in mesoscopic systems photoconduction and photovoltaic effect quantum dots quantum description of interaction of light and matter
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2014/9/24
We investigate the quantum photovoltaic effect in double quantum dots by applying the nonequilibrium quantum master equation. A drastic suppression of the photovoltaic current is observed near the ope...
Coherent quantum transport in disordered systems: II. Temperature dependence of carrier diffusion coefficients from the time-dependent wavepacket diffusion method
time-dependent wavepacket diffusion carrier diffusion coefficient static and dynamic disorder band-like to hopping-type transport
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2014/9/24
The time-dependent wavepacket diffusion method for carrier quantum dynamics (Zhong and Zhao 2013J. Chem. Phys.138014111), a truncated version of the stochastic Schrödinger equation/wavefunction a...
Higher-order kinetic expansion of quantum dissipative dynamics: Mapping quantum networks to kinetic networks
Higher-order kinetic expansion quantum dissipative dynamics Mapping quantum networks kinetic networks
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2014/9/24
We apply a new formalism to derive the higher-order quantum kinetic expansion (QKE) for studying dissipative dynamics in a general quantum network coupled with an arbitrary thermal bath. The dynamics ...
Quantum Separation of Local Search and Fixed Point Computation
Quantum query complexity Fixed-point computation Local search Sperner’s lemma Quantum adversary method
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2012/12/4
We give a lower bound of (n(d−1)/2) on the quantum query complexity for finding a fixed point of a discrete Brouwer function over grid [n]d. Our lower
bound is nearly tight, as Grover Search c...
Efficient energy transfer in light-harvesting systems: Quantum-classical comparison, flux network, and robustness analysis
Efficient energy transfer light-harvesting systems Quantum-classical comparison flux network robustness analysis
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2014/9/24
Following the calculation of optimal energy transfer in thermal environment in our first paper [J. L. Wu, F. Liu, Y. Shen, J. S. Cao, and R. J. Silbey, New J. Phys.12,105012(2010)],fullquantum dynamic...
Pairing in graphene: A quantum Monte Carlo study
Pairing in graphene A quantum Monte Carlo study
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2014/5/28
To address the issue of electron correlation driven superconductivity in graphene, we perform a systematic quantum Monte Carlo study of the pairing correlation in the t -U-V Hubbard model on a honeyco...
Buckled nano rod - a two state system: quantum effects on its dynamics
Buckled nano rod quantum effects its dynamics Chemical Physics
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2011/10/8
Abstract: We consider a suspended elastic rod under longitudinal compression. The compression can be used to adjust potential energy for transverse displacements from harmonic to double well regime. T...
Impact of the Electron Density on the Fixed-Node Errors in Quantum Monte Carlo
the Electron Density the Fixed-Node Errors Quantum Monte Carlo
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2011/8/5
Abstract: We analyze the effect of increasing charge density on the Fixed Node Errors in Diffusion Monte Carlo by comparing FN-DMC calculations of the total ground state energy on a 4 electron system ...
厦门大学结构化学课件Chapter 1 The basic knowledge of quantum mechanics
厦门大学 结构化学 课件 quantum mechanics
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2009/7/6
厦门大学结构化学课件Chapter 1 The basic knowledge of quantum mechanics。
The influence of dissipation on the quantum-classical correspondence: Stability of stochastic trajectories
dissipation quantum-classical correspondence Stability of stochastic trajectories
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2014/9/24
The quantum-classical correspondence in the presence of dissipation is studied. The semiclassical expression for the linear response function of an anharmonic system is expressed in a series containin...