Quantum Optics Toolbox User`s Guide
... equation for the density matrix[1] or by using some state-vector based approach such as the quantum Monte Carlo technique[2][3]. Starting from the Hamiltonian of the system and the coupling to the baths, it is in principle a simple process to derive either the master equation or the stochastic Schrö ...
... equation for the density matrix[1] or by using some state-vector based approach such as the quantum Monte Carlo technique[2][3]. Starting from the Hamiltonian of the system and the coupling to the baths, it is in principle a simple process to derive either the master equation or the stochastic Schrö ...
Quantum electrical transport in samples of limited
... The ability to make electrically conducting structures of ever smaller size by nanofabrication techniques ~the playground of mesoscopic physics! has brought with it entry into a wonderful new range of unexpected quantum phenomena. Interpretation of these phenomena requires full recognition of the wa ...
... The ability to make electrically conducting structures of ever smaller size by nanofabrication techniques ~the playground of mesoscopic physics! has brought with it entry into a wonderful new range of unexpected quantum phenomena. Interpretation of these phenomena requires full recognition of the wa ...
Type II InAs/GaAsSb quantum dots: Highly tunable exciton geometry
... excited state transition at 1.168 eV (FWHM 29 meV). The intensity of the main peak ranges from 79% of the total emission at 0 V to 94% at 3 V. Therefore, from now on we focus only on the fundamental transition. Figure 2(b) shows how from 40 to 110 kV cm1 the experimental peak energy shifts by 13 ...
... excited state transition at 1.168 eV (FWHM 29 meV). The intensity of the main peak ranges from 79% of the total emission at 0 V to 94% at 3 V. Therefore, from now on we focus only on the fundamental transition. Figure 2(b) shows how from 40 to 110 kV cm1 the experimental peak energy shifts by 13 ...
Quantum One-Way Communication is Exponentially Stronger Than
... The focus of our work is on the relative power of these two central models, a question whose study started in the late 1990s [BCW98, AST+ 98]. Most notably, Raz [Raz99] presented a (partial) function for which there is a quantum protocol communicating only O(log n) qubits, but for which any classic ...
... The focus of our work is on the relative power of these two central models, a question whose study started in the late 1990s [BCW98, AST+ 98]. Most notably, Raz [Raz99] presented a (partial) function for which there is a quantum protocol communicating only O(log n) qubits, but for which any classic ...
Introduction to the Bethe Ansatz I
... mechanics imply the existence of an effective interaction, Jij Si · Sj , between electron spins on neighboring atoms with overlapping orbital wave functions. The exchange interaction, as it has become known, is caused by the combined effect of the Coulomb repulsion and the Pauli exclusion principle. ...
... mechanics imply the existence of an effective interaction, Jij Si · Sj , between electron spins on neighboring atoms with overlapping orbital wave functions. The exchange interaction, as it has become known, is caused by the combined effect of the Coulomb repulsion and the Pauli exclusion principle. ...
Renormalization without infinities – an elementary tutorial
... and hence have the status of toy models only. But they show many of the renormalization effects arising in realistic quantum field theories such as quantum chromodynamics: running coupling constants, dimensional transmutation, the renormalization group, and renormalization scheme dependent results a ...
... and hence have the status of toy models only. But they show many of the renormalization effects arising in realistic quantum field theories such as quantum chromodynamics: running coupling constants, dimensional transmutation, the renormalization group, and renormalization scheme dependent results a ...
Theoretical Chemistry I Quantum Mechanics
... rather simple, their solution is often not trivial. They correspond to second-order partial differential equations. Here we will consider some simple problems. For the sake of simplicity, we consider piecewise continuous potentials. Nevertheless, we will be show the variety of different solutions th ...
... rather simple, their solution is often not trivial. They correspond to second-order partial differential equations. Here we will consider some simple problems. For the sake of simplicity, we consider piecewise continuous potentials. Nevertheless, we will be show the variety of different solutions th ...
6. String Interactions
... then we might be led to think that interactions require us to add various non-linear terms to the action. However, this isn’t the case. Any attempt to add extra non-linear terms for the string won’t be consistent with our precious gauge symmetries. Instead, rather remarkably, all the information abo ...
... then we might be led to think that interactions require us to add various non-linear terms to the action. However, this isn’t the case. Any attempt to add extra non-linear terms for the string won’t be consistent with our precious gauge symmetries. Instead, rather remarkably, all the information abo ...
ESSAY REVIEW: The many Metaphysics within Physics 1 9
... reasoning is that two different incompatible laws that ascribe different chances can share not just one model but will share them all; this is in agreement with the fact that a coin with chance 1/3 is compatible with the same number of sequences of results as a coin with chance ½. I see two problem ...
... reasoning is that two different incompatible laws that ascribe different chances can share not just one model but will share them all; this is in agreement with the fact that a coin with chance 1/3 is compatible with the same number of sequences of results as a coin with chance ½. I see two problem ...
Quantum anomalous Hall effect with cold atoms trapped in a square
... bands between ψa and ψb intermediated by the intersite hopping but neglect the hybridization between ψa,b and the lowest s orbital in the B sites since its onsite energy is far separated from those of ψa,b in the case of large trapping frequencies for the lattice [19]. To break TR symmetry, we intro ...
... bands between ψa and ψb intermediated by the intersite hopping but neglect the hybridization between ψa,b and the lowest s orbital in the B sites since its onsite energy is far separated from those of ψa,b in the case of large trapping frequencies for the lattice [19]. To break TR symmetry, we intro ...
26_IJFPS_March_2012_..
... quanta from which the image was made (Martin, Sharp, & Sutton, 1999), which can also be viewed as the fraction of photons that are detected “correctly” (Prince & Links, 2006). Screen-films which are used in projection radiography systems utilizing X-rays are one of the famous radiology techniques wh ...
... quanta from which the image was made (Martin, Sharp, & Sutton, 1999), which can also be viewed as the fraction of photons that are detected “correctly” (Prince & Links, 2006). Screen-films which are used in projection radiography systems utilizing X-rays are one of the famous radiology techniques wh ...
here
... states. If u, v are a pair of states, then hu|A|vi is called the matrix element of A between the states u and v. To know an operator is to know its matrix elements. • The adjoint of A is the operator A† defined via its matrix elements hu|A† |vi = hAu|vi. So if we know the matrix elements of A, then ...
... states. If u, v are a pair of states, then hu|A|vi is called the matrix element of A between the states u and v. To know an operator is to know its matrix elements. • The adjoint of A is the operator A† defined via its matrix elements hu|A† |vi = hAu|vi. So if we know the matrix elements of A, then ...
Melting of a 2D quantum electron solid in high magnetic field LETTERS
... This remains true even for solid helium1 , in which quantum effects often lead to unusual properties2 . Here, we present experimental evidence to show that for a two-dimensional (2D) solid formed by electrons in a semiconductor sample under a strong perpendicular magnetic field3 ( B ), Tm is not contr ...
... This remains true even for solid helium1 , in which quantum effects often lead to unusual properties2 . Here, we present experimental evidence to show that for a two-dimensional (2D) solid formed by electrons in a semiconductor sample under a strong perpendicular magnetic field3 ( B ), Tm is not contr ...
pdf - ISI Foundation
... Fig. 1(a)]. We show that determining whether or not we can do so is undecidable. Theorem 1. Determining whether we can construct a tensor network which contains a hidden-grandfather-paradox type contradiction is undecidable. Note that the question addressed is not whether exactly this loop exists, b ...
... Fig. 1(a)]. We show that determining whether or not we can do so is undecidable. Theorem 1. Determining whether we can construct a tensor network which contains a hidden-grandfather-paradox type contradiction is undecidable. Note that the question addressed is not whether exactly this loop exists, b ...