An asymptotic preserving scheme for the Schrödinger equation in
... from [6,7,1]. The initial density is given by n0 = e−50(x−0.5) and the initial current is given by q 0 = 0.2(2x − 1)n0 . Figure 1 shows the results for the scheme in eulerian coordinates (2)–(4). We plot the density, current and bohm potential at t = 0.54 for different ε. As ε tends to zero, the den ...
... from [6,7,1]. The initial density is given by n0 = e−50(x−0.5) and the initial current is given by q 0 = 0.2(2x − 1)n0 . Figure 1 shows the results for the scheme in eulerian coordinates (2)–(4). We plot the density, current and bohm potential at t = 0.54 for different ε. As ε tends to zero, the den ...
What determines the structure of quantum physics?
... global complex phases which are not directly accessible. The GPT framework, which is rooted in the pioneering works by Mackey, Ludwig and Kraus [3-6], tries to avoid such concepts as much as possible by defining a theory operationally in terms of preparation procedures and measurements. As measureme ...
... global complex phases which are not directly accessible. The GPT framework, which is rooted in the pioneering works by Mackey, Ludwig and Kraus [3-6], tries to avoid such concepts as much as possible by defining a theory operationally in terms of preparation procedures and measurements. As measureme ...
Basics of Open String Field Theory
... They are perturbations of the vacuum, hence they correspond to (infinitesimal) deformations of the underlying conformal field theory. However these are not generic deformations but are such as to preserve conformal symmetry, they are marginal deformations. In this language the string’s landscape ha ...
... They are perturbations of the vacuum, hence they correspond to (infinitesimal) deformations of the underlying conformal field theory. However these are not generic deformations but are such as to preserve conformal symmetry, they are marginal deformations. In this language the string’s landscape ha ...
Untitled
... particles known as fermions, and their anti-particles2. Fermions are characterized by the property that they possess half a quantum unit of intrinsic rotation, or spin, implying that their quantum-theoretical description is not invariant when they are rotated through 360 , but only after rotation t ...
... particles known as fermions, and their anti-particles2. Fermions are characterized by the property that they possess half a quantum unit of intrinsic rotation, or spin, implying that their quantum-theoretical description is not invariant when they are rotated through 360 , but only after rotation t ...
Dimensional External Trapping Potential Applied For BEC
... Analysis Of Gamma Factor In (1+1)-Dimensional External Trapping Potential Applied For BEC view of these figures, one can conclude that for , their exist a co mplete mirage and symmet ry between the HOP and DWP which is analogous with the experimental result for this type of potential. Addit ionally ...
... Analysis Of Gamma Factor In (1+1)-Dimensional External Trapping Potential Applied For BEC view of these figures, one can conclude that for , their exist a co mplete mirage and symmet ry between the HOP and DWP which is analogous with the experimental result for this type of potential. Addit ionally ...
Ashtekar.pdf
... In this approach, one takes the central lesson of general relativity seriously: gravity is geometry whence, in a fundamental theory, there should be no background metric. In quantum gravity, geometry and matter should both be ‘born quantum mechanically’. Thus, in contrast to approaches developed by ...
... In this approach, one takes the central lesson of general relativity seriously: gravity is geometry whence, in a fundamental theory, there should be no background metric. In quantum gravity, geometry and matter should both be ‘born quantum mechanically’. Thus, in contrast to approaches developed by ...
Stable bounce and inflation in non-local higher derivative
... that have been studied in [40], and in [41] where cosmological imprints were also discussed. In this paper we aim to focus on the case when Λ > 0. This particular case is very interesting from the point of view of inflation, as it paves the way for a geodesically complete paradigm of inflation in pa ...
... that have been studied in [40], and in [41] where cosmological imprints were also discussed. In this paper we aim to focus on the case when Λ > 0. This particular case is very interesting from the point of view of inflation, as it paves the way for a geodesically complete paradigm of inflation in pa ...
Quantum Analysis on Time Behavior of a Lengthening Pendulum
... The pendulum or the lengthening thereof not only is a good mathematical model for practicing a nontrivial problem in mechanics but also can possibly be applied to many actual systems. A gravitational pendulum which has been used as a seismic sensor of translation and rotation is one of its well-know ...
... The pendulum or the lengthening thereof not only is a good mathematical model for practicing a nontrivial problem in mechanics but also can possibly be applied to many actual systems. A gravitational pendulum which has been used as a seismic sensor of translation and rotation is one of its well-know ...
Essay Review of Quantum State Diffusion by Ian Percival
... The construction of a state evolution which on average reproduces a particular master equation is often referred to as an unravelling of that master equation. Although it is derived following certain assumptions, QSD is not the only possible unravelling of the Markovian master equation. This is pret ...
... The construction of a state evolution which on average reproduces a particular master equation is often referred to as an unravelling of that master equation. Although it is derived following certain assumptions, QSD is not the only possible unravelling of the Markovian master equation. This is pret ...
Commentary_Basti
... Computation”, is able to embrace the whole domain of natural sciences, from fundamental physics, to biology, to cognitive and social neurosciences, the artificial simulations of such systems included. At the same time, IC, as an essential part of a constructivist approach, needs an integration with ...
... Computation”, is able to embrace the whole domain of natural sciences, from fundamental physics, to biology, to cognitive and social neurosciences, the artificial simulations of such systems included. At the same time, IC, as an essential part of a constructivist approach, needs an integration with ...
Oxford Master Course in Mathematical and Theoretical Physics
... Admission to the course is based on aptitude, potential and motivation to study mathematical and theoretical physics. Evaluation criteria include the BA degree class (or equivalent), letters of reference, personal statements and prior performance on mathematical and theoretical physics courses. A ne ...
... Admission to the course is based on aptitude, potential and motivation to study mathematical and theoretical physics. Evaluation criteria include the BA degree class (or equivalent), letters of reference, personal statements and prior performance on mathematical and theoretical physics courses. A ne ...
Introduction to Renormalization Group Alex Kovner Valparaiso, December 12-14, 2013
... Introduction to Renormalization Group December ...
... Introduction to Renormalization Group December ...
arXiv:1501.03541v1 [hep
... For both variants of multiplexing the signals have to be bandwidth limited to prevent addition of wide-band noise by using an inductor as low-pass filter, or an inductor and capacitor in series as band-pass filter, respectively. An important difference between the two categories of multiplexing with ...
... For both variants of multiplexing the signals have to be bandwidth limited to prevent addition of wide-band noise by using an inductor as low-pass filter, or an inductor and capacitor in series as band-pass filter, respectively. An important difference between the two categories of multiplexing with ...
Cosmological constant and vacuum energy
... The homogeneous ground state of a quantum system, even though it contains a large amount of particles (atoms or electrons), does really play the role of a quantum vacuum. Quasiparticles – the propagating low-frequency excitations above the ground state, that play the role of elementary particles in ...
... The homogeneous ground state of a quantum system, even though it contains a large amount of particles (atoms or electrons), does really play the role of a quantum vacuum. Quasiparticles – the propagating low-frequency excitations above the ground state, that play the role of elementary particles in ...
QUANTUM SUPERPOSITION PRINCIPLE
... same rules for multiplying and adding numbers associated with events, except that the quantities are complex numbers called amplitudes instead of positive real numbers called probabilities. The superposition principle says that the way to describe the world is to assign such a complex number to ever ...
... same rules for multiplying and adding numbers associated with events, except that the quantities are complex numbers called amplitudes instead of positive real numbers called probabilities. The superposition principle says that the way to describe the world is to assign such a complex number to ever ...
3 Species Fermion Gases Part 1 - Physikalisches Institut Heidelberg
... What have we done? We introduced new field(operators) ...
... What have we done? We introduced new field(operators) ...