An Introduction to Nonequilibrium Many
... is not of exponential form, so there is no way we can use the Matsubara trick which consists in a simultaneous expansion of the density matrix and the time-evolution operator allowed by the coincidence in functional form of these two operators. In the Feynman case, once again the density matrix is n ...
... is not of exponential form, so there is no way we can use the Matsubara trick which consists in a simultaneous expansion of the density matrix and the time-evolution operator allowed by the coincidence in functional form of these two operators. In the Feynman case, once again the density matrix is n ...
theoretical study of the interaction of mesoscopic quantum
... operator-valued energy–momentum tensor with respect to some quantum state is coupled to the classical gravitational field. Instead of (3) one would then have ...
... operator-valued energy–momentum tensor with respect to some quantum state is coupled to the classical gravitational field. Instead of (3) one would then have ...
Quantum Gravity on $ dS_ {3} $
... attempts to describe this entropy - for example, in terms of microscopic degrees of freedom at the cosmological horizon [2, 3] or in a Chern-Simons formulation [4, 5]. In fact, in [5], the entropy of a general Kerr-de Sitter space is computed. More recently, de Sitter entropy has been computed using ...
... attempts to describe this entropy - for example, in terms of microscopic degrees of freedom at the cosmological horizon [2, 3] or in a Chern-Simons formulation [4, 5]. In fact, in [5], the entropy of a general Kerr-de Sitter space is computed. More recently, de Sitter entropy has been computed using ...
International Journal of Mathematics, Game Theory and Algebra
... network can approximate arbitrarily well any given continuous function. The most significant result on this problem belongs to Leshno, Lin, Pinkus and Schocken. They proved that the necessary and sufficient condition for any single hidden layer network to have the u.a.p. (universal approximation pro ...
... network can approximate arbitrarily well any given continuous function. The most significant result on this problem belongs to Leshno, Lin, Pinkus and Schocken. They proved that the necessary and sufficient condition for any single hidden layer network to have the u.a.p. (universal approximation pro ...
X 5 Berry phase in solid state physics
... including the dynamical phase) may not return to its original value after a cyclic evolution in parameter space. This fact was first exposed clearly by Michael Berry [3] in his 1984 paper. In this section, we introduce the basic concept of the Berry phase, in later sections we will move on to exampl ...
... including the dynamical phase) may not return to its original value after a cyclic evolution in parameter space. This fact was first exposed clearly by Michael Berry [3] in his 1984 paper. In this section, we introduce the basic concept of the Berry phase, in later sections we will move on to exampl ...
The Emergence and Interpretation of Probability
... where ‘Im’ means imaginary part, m is the mass of the particle, and Ψ is a timedependent, complex-valued function on configuration space R 3N. The wave function Ψ ...
... where ‘Im’ means imaginary part, m is the mass of the particle, and Ψ is a timedependent, complex-valued function on configuration space R 3N. The wave function Ψ ...
Th tical lifetime eore Positronium: A
... In Hydrogen, the electron is weightless compared to the nucleus and hence such an approximation is a very accurate one. To solve the differential equation for positronium, we would have to consider a potential field that depends on the coordinates of the two particles at the same time. This complica ...
... In Hydrogen, the electron is weightless compared to the nucleus and hence such an approximation is a very accurate one. To solve the differential equation for positronium, we would have to consider a potential field that depends on the coordinates of the two particles at the same time. This complica ...
Presentism and Quantum Gravity
... foliation (Goldstein and Teufel 2001, 284); and there are more radical approaches as well (such as the general ether theory of Schmelzer 2001). Fixed foliation quantum gravity is compatible with presentism. To show this, it will be helpful to utilize the semantic view of scientific theories (see fo ...
... foliation (Goldstein and Teufel 2001, 284); and there are more radical approaches as well (such as the general ether theory of Schmelzer 2001). Fixed foliation quantum gravity is compatible with presentism. To show this, it will be helpful to utilize the semantic view of scientific theories (see fo ...
Enhancement of Tunneling from a Correlated 2D Electron System
... For small magnetic fields, the field-induced correction to the tunneling exponent (9) is quadratic in vc . It can be calculated along the zero-field trajectory dz兾dt 苷 共2关U共z兲 2 Eg 兴兾m兲1兾2 . This correction is always positive: magnetic field decreases the tunneling rate. However, the correction is s ...
... For small magnetic fields, the field-induced correction to the tunneling exponent (9) is quadratic in vc . It can be calculated along the zero-field trajectory dz兾dt 苷 共2关U共z兲 2 Eg 兴兾m兲1兾2 . This correction is always positive: magnetic field decreases the tunneling rate. However, the correction is s ...
Master Thesis
... The twentieth century has brought a revolution in the world of science and technology, with the development of quantum mechanics and the theory of computation among the greatest advances. The advancement of technology gave rise to digital computers, whose power growth has been described successfully ...
... The twentieth century has brought a revolution in the world of science and technology, with the development of quantum mechanics and the theory of computation among the greatest advances. The advancement of technology gave rise to digital computers, whose power growth has been described successfully ...
universo feature
... quite different picture was attributed to the ABJ anomaly by Gell-Mann, Fritzsch and Leutwyler and finally explained as an instanton effect by G. ‘t Hooft. There are two kinds of instantons, one for QCD and one for the EW (Electroweak) Forces. ...
... quite different picture was attributed to the ABJ anomaly by Gell-Mann, Fritzsch and Leutwyler and finally explained as an instanton effect by G. ‘t Hooft. There are two kinds of instantons, one for QCD and one for the EW (Electroweak) Forces. ...
The powerpoint presentation of the material
... Non-polar and yet Supreme Polarity! The Supreme Polarity in activity generates yang; yet at the limit of activity it is still. In stillness it generates yin; yet at the limit of stillness it is also active. Activity and stillness alternate; each is the basis of the other. ...
... Non-polar and yet Supreme Polarity! The Supreme Polarity in activity generates yang; yet at the limit of activity it is still. In stillness it generates yin; yet at the limit of stillness it is also active. Activity and stillness alternate; each is the basis of the other. ...
Quantum Probabilistic Dyadic Second-Order Logic⋆
... multiplication of specific real numbers and/or matrices. Instead, they reduce to complex first-order statements in the theory of real numbers, that involve in an essential way quantification over uncountably many objects. It just happens that (due to Tarski’s theorem) this theory is still decidable! ...
... multiplication of specific real numbers and/or matrices. Instead, they reduce to complex first-order statements in the theory of real numbers, that involve in an essential way quantification over uncountably many objects. It just happens that (due to Tarski’s theorem) this theory is still decidable! ...
The secret life of quarks
... nition of QCD in the low-energy, strong-coupling regime and, thod with which to perform QCD calculations. As an considers a discretized version of QCD defined on a spaceional hypercubic lattice) so as to make amenable to numerical ...
... nition of QCD in the low-energy, strong-coupling regime and, thod with which to perform QCD calculations. As an considers a discretized version of QCD defined on a spaceional hypercubic lattice) so as to make amenable to numerical ...
An Extreme form of Superactivation for Quantum Zero-Error
... communications, yet can still create correlations. In Ref. [4] it was shown that there are pairs of channels with very different noise characteristics, but both with zero quantum capacity, that, when used together, have a large joint quantum capacity. This superactivation is completely different fro ...
... communications, yet can still create correlations. In Ref. [4] it was shown that there are pairs of channels with very different noise characteristics, but both with zero quantum capacity, that, when used together, have a large joint quantum capacity. This superactivation is completely different fro ...
Operator Product Expansion and Conservation Laws in Non
... operators. This is the case for the descendants of a generic neutral operator. However, it is also possible that there is a linear combination of the operators sitting on the same spot that lowers to zero using both C and Ki . This is similar to the case of the null operator in the previous. As an e ...
... operators. This is the case for the descendants of a generic neutral operator. However, it is also possible that there is a linear combination of the operators sitting on the same spot that lowers to zero using both C and Ki . This is similar to the case of the null operator in the previous. As an e ...
Paper
... The dependence of the tunneling rate on the energy barrier height was probed by varying the condensate density. For this, the number of trapped atoms was varied between about 105 and 106 by allowing for a variable duration of trap loss [15] before creating the metastable state. Figure 3 shows data c ...
... The dependence of the tunneling rate on the energy barrier height was probed by varying the condensate density. For this, the number of trapped atoms was varied between about 105 and 106 by allowing for a variable duration of trap loss [15] before creating the metastable state. Figure 3 shows data c ...
C.3 Quantum circuits - UTK-EECS
... gates for any classically computable function. In fact, it is possible to conceive of a universal quantum Turing machine [Bernstein and Vazirani 1997]. In this construction we must assume a sufficient supply of bits that correspond to the tape of a Turing machine. Knowing that an arbitrary classica ...
... gates for any classically computable function. In fact, it is possible to conceive of a universal quantum Turing machine [Bernstein and Vazirani 1997]. In this construction we must assume a sufficient supply of bits that correspond to the tape of a Turing machine. Knowing that an arbitrary classica ...