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Chem Soc Rev - [ RSC ] Publishing
... On the other hand, wavefunction-based ab initio methods can be systematically improved and converged toward the exact solution of the Schrödinger equation. Among the ab initio quantum mechanical methods the coupled-cluster model with single and double excitations corrected by perturbative triples ( ...
... On the other hand, wavefunction-based ab initio methods can be systematically improved and converged toward the exact solution of the Schrödinger equation. Among the ab initio quantum mechanical methods the coupled-cluster model with single and double excitations corrected by perturbative triples ( ...
Quantized field description of rotor frequency
... quantized field Hamiltonian. The interactions for a multispin system under MAS conditions are described in the rotor angle frame using quantum rotor dynamics. In this quasiclassical theoretical framework, the chemical shift, the dipolar interaction, and radio frequency terms of the Hamiltonian are d ...
... quantized field Hamiltonian. The interactions for a multispin system under MAS conditions are described in the rotor angle frame using quantum rotor dynamics. In this quasiclassical theoretical framework, the chemical shift, the dipolar interaction, and radio frequency terms of the Hamiltonian are d ...
Conformal Bootstrap Approach to O(N) Fixed Points in Five
... with its implication to higher-spin holography was much debated. We find an affirmative result on this question by utilizing conformal bootstrap approach. In solving for the crossing symmetry condition, we propose a new approach based on specification for the low-lying spectrum distribution. We find ...
... with its implication to higher-spin holography was much debated. We find an affirmative result on this question by utilizing conformal bootstrap approach. In solving for the crossing symmetry condition, we propose a new approach based on specification for the low-lying spectrum distribution. We find ...
numerical simulations of strongly correlated electron and spin systems
... a central challenge for the condensed matter physics community. In the absence of exact solutions and controlled analytical approximations, numerical techniques have often contributed to our understanding of these systems. Exact Diagonalization (ED) requires the storage of at least two vectors the s ...
... a central challenge for the condensed matter physics community. In the absence of exact solutions and controlled analytical approximations, numerical techniques have often contributed to our understanding of these systems. Exact Diagonalization (ED) requires the storage of at least two vectors the s ...
Many-body theory of excitation dynamics in an ultracold Rydberg gas
... demonstrated for a direct 共i.e., first-order兲 dipole-dipole interaction of the Rydberg atoms, and it was shown that the suppression of excitations is particularly pronounced at the so-called Förster resonances 关9兴. Furthermore, it was shown that the blockade effect also leads to a quenching of the p ...
... demonstrated for a direct 共i.e., first-order兲 dipole-dipole interaction of the Rydberg atoms, and it was shown that the suppression of excitations is particularly pronounced at the so-called Förster resonances 关9兴. Furthermore, it was shown that the blockade effect also leads to a quenching of the p ...
Semiclassical Green`s functions and an instanton formulation of
... where in both cases the Born-Oppenheimer approximation is first applied to obtain a single-surface Hamiltonian. The Im F method32 can be used to derive the instanton approximation to the adiabatic escape rate from metastable states in the high- or low-temperature limit26 although its application to ...
... where in both cases the Born-Oppenheimer approximation is first applied to obtain a single-surface Hamiltonian. The Im F method32 can be used to derive the instanton approximation to the adiabatic escape rate from metastable states in the high- or low-temperature limit26 although its application to ...
Theoretical study of solitonic excitations in Bose
... (Summary of the Ph.D. thesis) On the basis of quantum mechanics and statistical physics it is verifiable theoretically that a macroscopical part of system of bosonic particles fills the same quantum state at low temperature. This effect was predicted in 1924, but the experimental observation has bee ...
... (Summary of the Ph.D. thesis) On the basis of quantum mechanics and statistical physics it is verifiable theoretically that a macroscopical part of system of bosonic particles fills the same quantum state at low temperature. This effect was predicted in 1924, but the experimental observation has bee ...
The Reaction Rates of O2 with Closed-Shell and Open
... A comparison of measured rate coefficients with predictions from kinetic theories would allow further conclusions regarding the underlying reaction mechanisms. However, the calculation of rate coefficients from first principles with molecular and transition state data from quantum chemical methods requir ...
... A comparison of measured rate coefficients with predictions from kinetic theories would allow further conclusions regarding the underlying reaction mechanisms. However, the calculation of rate coefficients from first principles with molecular and transition state data from quantum chemical methods requir ...
the fermi liquid as a renormalization group fixed point
... Current interest in the physics of strongly correlated fermions [non-Fermi Liquids in d > 1] inspired a new wave of efforts aimed at clarifying the foundations of the Landau FLT and possible mechanisms of its breakdown. Let us mention only two approaches, which can be seen as sophisticated modern co ...
... Current interest in the physics of strongly correlated fermions [non-Fermi Liquids in d > 1] inspired a new wave of efforts aimed at clarifying the foundations of the Landau FLT and possible mechanisms of its breakdown. Let us mention only two approaches, which can be seen as sophisticated modern co ...
Mathematical Skills Handbook
... Here it is not clear whether the zeroes in the expression on the left are significant figures or not, though this would normally be clear from the context where conversion to standard form was required. If a value such as 14 300 J emerges as the answer to a question where an appropriate number of si ...
... Here it is not clear whether the zeroes in the expression on the left are significant figures or not, though this would normally be clear from the context where conversion to standard form was required. If a value such as 14 300 J emerges as the answer to a question where an appropriate number of si ...