Equation of state for solid neon from quantum theory
... results very close to experimental measurements. Only the more elaborate IC coupled-cluster calculations by Rosćiszewski et al.27 are close to our values. It is also evident that for the lattice constant, cohesive energy, and bulk modulus ZPV effects need to be included. In fact, our results show th ...
... results very close to experimental measurements. Only the more elaborate IC coupled-cluster calculations by Rosćiszewski et al.27 are close to our values. It is also evident that for the lattice constant, cohesive energy, and bulk modulus ZPV effects need to be included. In fact, our results show th ...
pdf - at www.arxiv.org.
... There are various other examples. For example, yet another context where such a deformation has been discussed is the quantum energy inequalities.22 Obviously, there are infinitely many ways to deform CFTs in this way. As an attempt to find a systematic and controlled construction of such deformatio ...
... There are various other examples. For example, yet another context where such a deformation has been discussed is the quantum energy inequalities.22 Obviously, there are infinitely many ways to deform CFTs in this way. As an attempt to find a systematic and controlled construction of such deformatio ...
Berry Phase effects on quantum transport
... local change" is the Foucault pendulum (figure 1), whose direction of swing, described by a unit vector e, is slaved to the local vertical, described by the radial unit vector r. The slaving law is parallel transport, which means that the direction of swing does not rotate about the vertical— that i ...
... local change" is the Foucault pendulum (figure 1), whose direction of swing, described by a unit vector e, is slaved to the local vertical, described by the radial unit vector r. The slaving law is parallel transport, which means that the direction of swing does not rotate about the vertical— that i ...
Nonequilibrium dynamical mean-field theory - Physik Uni
... is explained, together with some progress in the development of the method which was achieved within this thesis. For example, we derive the mapping of the DMFT equations to an impurity Hamiltonian in nonequilibrium, which is the prerequisite to use timedependent density matrix renormalization group ...
... is explained, together with some progress in the development of the method which was achieved within this thesis. For example, we derive the mapping of the DMFT equations to an impurity Hamiltonian in nonequilibrium, which is the prerequisite to use timedependent density matrix renormalization group ...
Two-Fluid Model for Heavy Electron Physics
... Curie-Weiss law below T ∗ was often attributed to crystal field effects in the literature but is understood in the two-fluid model to result from the loss of strength of the local moments due to the collective hybridization. The mean-field approximation in (4) allows us to study qualitatively the lo ...
... Curie-Weiss law below T ∗ was often attributed to crystal field effects in the literature but is understood in the two-fluid model to result from the loss of strength of the local moments due to the collective hybridization. The mean-field approximation in (4) allows us to study qualitatively the lo ...
I. Parity violation induced by weak neutral currents in atomic
... seem compatible with the existence of the neutral currents predicted by the Weinberg model, but other explanations involving some new feature of weak interactions (heavy leptons, etc...) cannot be absolutely excluded. We should also mention that the Gargamelle group has found three events which can ...
... seem compatible with the existence of the neutral currents predicted by the Weinberg model, but other explanations involving some new feature of weak interactions (heavy leptons, etc...) cannot be absolutely excluded. We should also mention that the Gargamelle group has found three events which can ...
89, 053618 (2014)
... BdG equation (5) should be solved self-consistently with the order-parameter equation (6) and the particle-number equation (7) for the average number of atoms per lattice site n = i,σ n̂iσ /N . Here we denote n as the filling factor for convenience. In our simulation, we take the attractive inte ...
... BdG equation (5) should be solved self-consistently with the order-parameter equation (6) and the particle-number equation (7) for the average number of atoms per lattice site n = i,σ n̂iσ /N . Here we denote n as the filling factor for convenience. In our simulation, we take the attractive inte ...
m NV Centers in Quantum Information Technology ! De-Coherence Protection &
... uantum control pulses and NV centers appear as y level diagrams of the NV center electron spin agnetic field splits the NV spin triplet electronic d by the spin sublevels mS = 0 (labeled j0〉) and NV1. For the pulsed experiments, the same Rabi ...
... uantum control pulses and NV centers appear as y level diagrams of the NV center electron spin agnetic field splits the NV spin triplet electronic d by the spin sublevels mS = 0 (labeled j0〉) and NV1. For the pulsed experiments, the same Rabi ...
New Journal of Physics - Physik Uni
... hopping amplitude in the Falicov–Kimball model (r (x) = x, U = 1 and Vf = 0), using various ramp durations τ . For t < 0 and t > τ , the energy is constant. The solid black line is the internal energy E(t) in the ground state at U = 1 and hopping V (t). The excitation after a ramp is then obtained f ...
... hopping amplitude in the Falicov–Kimball model (r (x) = x, U = 1 and Vf = 0), using various ramp durations τ . For t < 0 and t > τ , the energy is constant. The solid black line is the internal energy E(t) in the ground state at U = 1 and hopping V (t). The excitation after a ramp is then obtained f ...
Quantum simulations with cold trapped ions
... degree by the experimenter. A strong motivation for early experiments with individual trapped ions arose from their potential use as frequency standards (e.g. Dehmelt (1981) and references therein). Today, by using trapped ions as frequency standards unsurpassed accuracy and precision have been reac ...
... degree by the experimenter. A strong motivation for early experiments with individual trapped ions arose from their potential use as frequency standards (e.g. Dehmelt (1981) and references therein). Today, by using trapped ions as frequency standards unsurpassed accuracy and precision have been reac ...
A pedagogical introduction to quantum Monte Carlo
... the other with the negative one) have a statistical error which increases exponentially with the number of iterations of the power method [9], [10], [11] (with a constant in the exponential which also increases with the number of fermions!). This fundamental problem is known as the “sign problem”. I ...
... the other with the negative one) have a statistical error which increases exponentially with the number of iterations of the power method [9], [10], [11] (with a constant in the exponential which also increases with the number of fermions!). This fundamental problem is known as the “sign problem”. I ...
Conf. Ser. 724 (2016) 012029 1 - The Racah Institute of Physics
... symmetry is broken. Note that ∆σL also vanishes for a state with a mixture of components with the same σ but different O(5) quantum numbers τ , corresponding to a state |Li with good O(6) but mixed O(5) character. ∆σL has the same physical content as wave-function entropy. The fluctuations ∆σL can n ...
... symmetry is broken. Note that ∆σL also vanishes for a state with a mixture of components with the same σ but different O(5) quantum numbers τ , corresponding to a state |Li with good O(6) but mixed O(5) character. ∆σL has the same physical content as wave-function entropy. The fluctuations ∆σL can n ...
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Pdf [234 KB]
... classical phonons become stable, a process that completes when the helium crystal is subjected to a pressure of about 1300 bar. At this stage the helium crystal corresponds to a local potential minimum ~but still not the global minimum!. Section III explores the inherent structures for the lowpressu ...
... classical phonons become stable, a process that completes when the helium crystal is subjected to a pressure of about 1300 bar. At this stage the helium crystal corresponds to a local potential minimum ~but still not the global minimum!. Section III explores the inherent structures for the lowpressu ...
Spin signatures of exchange-coupled triplet pairs formed by singlet
... at gµB B ' 3J compared to the lower-field resonance at gµB B ' 3J/2 leads to the slight asymmetry between the dips and means that δPL/PL for the higher-field anticrossing is closer to -1/4 than for the lower-field one. When the two triplets in a pair are equivalent, i.e. when their zero-field splitt ...
... at gµB B ' 3J compared to the lower-field resonance at gµB B ' 3J/2 leads to the slight asymmetry between the dips and means that δPL/PL for the higher-field anticrossing is closer to -1/4 than for the lower-field one. When the two triplets in a pair are equivalent, i.e. when their zero-field splitt ...
General Green`s-function formalism for transport
... scales linearly with system size and ~ii! allows straightforward application to general tight-binding Hamiltonians (spd in the present work!. The method is applied to studies of conductance and giant magnetoresistance ~GMR! of magnetic multilayers in current perpendicular to planes geometry in the l ...
... scales linearly with system size and ~ii! allows straightforward application to general tight-binding Hamiltonians (spd in the present work!. The method is applied to studies of conductance and giant magnetoresistance ~GMR! of magnetic multilayers in current perpendicular to planes geometry in the l ...
Fractional Spin Liquid Hierarchy for Spin S
... properties of the spinons would manifest themselves not only in the spin-liquid state, but in the response to all probes which measure energy scales beyond the ordering temperature, such as, e.g., Raman scattering. State counting and effective field theory. There are important subtleties associated ...
... properties of the spinons would manifest themselves not only in the spin-liquid state, but in the response to all probes which measure energy scales beyond the ordering temperature, such as, e.g., Raman scattering. State counting and effective field theory. There are important subtleties associated ...
Liquid State NMR Quantum Computing
... viewed as a logic gate (Figure 1) which flips one spin conditioned upon the orientation of a neighboring spin. If we arbitrarily assign “0” to a spin up and “1” to a spin down, we can think of spin-1/2 nuclei as bits in a digital computer. We remind the reader that bits (“0” or “1”) can be used to r ...
... viewed as a logic gate (Figure 1) which flips one spin conditioned upon the orientation of a neighboring spin. If we arbitrarily assign “0” to a spin up and “1” to a spin down, we can think of spin-1/2 nuclei as bits in a digital computer. We remind the reader that bits (“0” or “1”) can be used to r ...
1. QUARK MODEL
... qq ′ bound states of quarks q and antiquarks q ′ (the flavors of q and q ′ may be different). If the orbital angular momentum of the qq ′ state is ℓ, then the parity P is (−1)ℓ+1 . The meson spin J is given by the usual relation |ℓ − s| ≤ J ≤ |ℓ + s|, where s is 0 (antiparallel quark spins) or 1 (pa ...
... qq ′ bound states of quarks q and antiquarks q ′ (the flavors of q and q ′ may be different). If the orbital angular momentum of the qq ′ state is ℓ, then the parity P is (−1)ℓ+1 . The meson spin J is given by the usual relation |ℓ − s| ≤ J ≤ |ℓ + s|, where s is 0 (antiparallel quark spins) or 1 (pa ...
Prime Factorization by Quantum Adiabatic Computation
... R. Feynman in 1982 [11] and the first attempt at proving that a quantum computer is faster at certain tasks compared to a classical computer was made in 1985 by D. Deutsch [9]. Deutsch challenged the fastest known model of computation, the probabilistic Turing machine, by introducing the notion of a ...
... R. Feynman in 1982 [11] and the first attempt at proving that a quantum computer is faster at certain tasks compared to a classical computer was made in 1985 by D. Deutsch [9]. Deutsch challenged the fastest known model of computation, the probabilistic Turing machine, by introducing the notion of a ...
Spectral And Dynamical Properties Of Strongly Correlated Systems
... able to characterize with unprecedented accuracy one of the most debated phases of the Hubbard model, namely the ferromagnetic order in the large interaction limit. Within our study we have established the stability of a purely itinerant saturated ferromagnetism accompanied by an unexpected phase tr ...
... able to characterize with unprecedented accuracy one of the most debated phases of the Hubbard model, namely the ferromagnetic order in the large interaction limit. Within our study we have established the stability of a purely itinerant saturated ferromagnetism accompanied by an unexpected phase tr ...
Ab initio theory of ferromagnetic transition metals and alloys under
... I thank also Alexei Bossak, Gaston Garbarino and staff of the ID18 for their assistance with the Mössbauer experiment. Luckily, none of the ESRF’s equipment went off ! The atmosphere in the Theory group has always been very friendly. The sense of humor of Tim Ziman (Thanks for proofreading) and And ...
... I thank also Alexei Bossak, Gaston Garbarino and staff of the ID18 for their assistance with the Mössbauer experiment. Luckily, none of the ESRF’s equipment went off ! The atmosphere in the Theory group has always been very friendly. The sense of humor of Tim Ziman (Thanks for proofreading) and And ...