搜索结果: 1-15 共查到“知识库 理学 quantum”相关记录1715条 . 查询时间(0.187 秒)
Quantum delocalization of protons in the hydrogen-bond network of an enzyme active site
ab initio path integral molecular dynamics enzyme hydrogen bonding nuclear quantum effects proton delocalization
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2016/5/25
Enzymes use protein architectures to create highly specialized structural motifs that can greatly enhance the rates of complex chemical transformations. Here, we use experiments, combined with ab init...
Effects of Applied Electric Fields on the Quantum Yields for the Initial Electron Transfer Steps in Bacterial Photosynthesis:II.Dynamic Stark Effect
Applied Electric Fields Quantum Yields Initial Electron Transfer Steps Bacterial Photosynthesis Dynamic Stark Effect
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2016/5/23
The quantum yield of the initial charge separation steps in bacterial photosynthetic reaction centers has been shown to be reduced in an applied electric field [Part I, Lao et al., J. Phys. Chem. 97 (...
Effects of Applied Electric Fields on the Quantum Yields of the Initial Electron-Transfer Steps in Bacterial Photosynthesis.1.Quantum Yield Failure
Applied Electric Fields Quantum Yields Initial Electron-Transfer Steps Bacterial Photosynthesis.1.Quantum
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2016/5/23
The effect of an applied electric field has been measured for the quantum yield of formation of the P[sup +]H[sup [minus]], P[sup +]Q[sub A][sup [minus]], and [sup 3]P states of nonoriented Rb. sphaer...
Magnetic Field Dependence of Radical Pair Decay Kinetics and Molecular Triplet Quantum Yield in Quinone-Depleted Reaction Centers
Photosynthesis Reaction center Radical pair decay Magnetic field Picosecond spectroscopy
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2016/5/20
Radical-pair decay kinetics and molecular triplet quantum yields at various magnetic fields are reported for quinone-depleted reaction centers from the photosynthetic bacterium Rhodopseudomonassphaero...
Contribution of Spin-Spin Interactions to the Magnetic Field Dependence of the Triplet Quantum Yield in Photosynthetic Reaction Centers
Spin-Spin Interactions Magnetic Field Triplet Quantum Yield Photosynthetic Reaction Centers
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2016/5/20
Contribution of Spin-Spin Interactions to the Magnetic Field Dependence of the Triplet Quantum Yield in Photosynthetic Reaction Centers.
Topological Rényi Entropy after a Quantum Quench
Topological Rényi Entropy Quantum Quench
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2016/1/23
We present an analytical study on the resilience of topological order after a quantum quench. The system is initially prepared in the ground state of the toric-code model, and then quenched by switchi...
Reply to Comment “State-independent experimental test of quantum contextuality in an indivisible system
Comment “State-independent experimental quantum contextuality indivisible system
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2016/1/23
Reply to Comment “State-independent experimental test of quantum contextuality in an indivisible system.
Quantum Logic between Remote Quantum Registers
Quantum Logic between Remote Quantum Registers
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2016/1/23
Weconsidertwoapproachestodark-spin-mediatedquantumcomputinginhybridsolid-statespinarchitectures.First,wereviewthenotionofeigenmode-mediatedunpolarizedspin-chainstatetransferandextendtheanalysisto vari...
Large quantum superpositions of a levitated nanodiamond through spin-optomechanical coupling
Large quantum superpositions levitated nanodiamond spin-optomechanical coupling
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2016/1/23
We propose a method to generate and detect large quantum superposition states and arbitrary Fock states for the oscillational mode of an optically levitated nanocrystal diamond. The nonlinear interact...
Decoy-state quantum key distribution with biased basis choice
Decoy-state quantum distribution biased basis choice
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2016/1/23
Quantum key distribution (QKD) utilizes the laws of quantum mechanics to achieve information-theoretically secure key generation. This field is now approaching the stage of commercialization, but many...
Source attack of decoy-state quantum key distribution using phase information
Source attack decoy-state quantum key distribution phase information
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2016/1/23
Quantum key distribution (QKD) utilizes the laws of quantum mechanics to achieve information-theoretically secure key generation. This field is now approaching the stage of commercialization, but many...
Postprocessing for quantum random-number generators: Entropy evaluation and randomness extraction
Postprocessing quantum random-number generator Entropy evaluation randomness extraction
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2016/1/23
Quantum random-number generators (QRNGs) can offer a means to generate information-theoretically provable random numbers, in principle. In practice, unfortunately, the quantum randomness is inevitably...
Experimental measurement-device-independent quantum key distribution
measurement-device-independent quantum key distribution
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2016/1/23
Quantum key distribution is proven to offer unconditional security in communication between two remote users with ideal source and detection. Unfortunately, ideal devices never exist in practice and d...
Experimental distillation of quantum nonlocality
Experimental distillation uantum nonlocality
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2016/1/23
We report the first experimental demonstration of distillation of quantum nonlocality, confirming the recent theoretical protocol [Phys. Rev. Lett. 102, 120401 (2009)]. Quantum nonlocality is describe...
Quantum computations without definite causal structure
Quantum computations definite causal structure
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2016/1/23
Weshowthatquantumtheoryallows fortransformationsofblackboxesthatcannotberealizedbyinsertingthe input black boxes within a circuit in a predefined causal order. The simplest example of such a transform...