Two-dimensional quantum gravity may be formulated as a
... solvent (x 111(z + H)I y) to vanish at x,. In other words, there is no tunneling through the poles and the eigenstates stay localized between two successive poles [x" x,J or between the first pole x, and +=. This leads various authors'·'·' to suggest that a non perturbative definition of two-dimens ...
... solvent (x 111(z + H)I y) to vanish at x,. In other words, there is no tunneling through the poles and the eigenstates stay localized between two successive poles [x" x,J or between the first pole x, and +=. This leads various authors'·'·' to suggest that a non perturbative definition of two-dimens ...
Chirality quantum phase transition in the Dirac oscillator - E
... change of phase. Nonetheless, other kinds of fluctuations exist at zero temperature, the so-called quantum fluctuations, which can also be responsible for a dramatic change in the properties of the system. In this case, the change is driven by the modification of certain couplings that describe the ...
... change of phase. Nonetheless, other kinds of fluctuations exist at zero temperature, the so-called quantum fluctuations, which can also be responsible for a dramatic change in the properties of the system. In this case, the change is driven by the modification of certain couplings that describe the ...
Kazakov - From Sigma Models to Four-dimensional QFT
... Wronskian solution for AdS/CFT Y-system. Towards a finite system of equations for the full planar spectrum of AdS/CFT ...
... Wronskian solution for AdS/CFT Y-system. Towards a finite system of equations for the full planar spectrum of AdS/CFT ...
Lecture Notes: Condensed Matter Theory I (TKM1)
... etc.) is frequently termed "~ = 0"-physics, stressing that classical dynamics su¢ ces for an understanding of the motion and aggregation of these systems. In distinction, for hard condensed matter physics, i.e. "~ = 1"-physics, the motion of electrons, lattice vibrations etc. is determined by Schröd ...
... etc.) is frequently termed "~ = 0"-physics, stressing that classical dynamics su¢ ces for an understanding of the motion and aggregation of these systems. In distinction, for hard condensed matter physics, i.e. "~ = 1"-physics, the motion of electrons, lattice vibrations etc. is determined by Schröd ...
The inequality of charge and spin diffusion coefficients
... typically assume so. Here, we show analytically that the two diffusion coefficients can be vastly different in quantum wires. Although we do not consider quantum wells or bulk systems, it is likely that the two coefficients will be different in those systems as well. Thus, it is important to disting ...
... typically assume so. Here, we show analytically that the two diffusion coefficients can be vastly different in quantum wires. Although we do not consider quantum wells or bulk systems, it is likely that the two coefficients will be different in those systems as well. Thus, it is important to disting ...
Supercurrent through a multilevel quantum dot - FU Berlin
... where niσ = diσ diσ and i = 1,2 labels a Wannier basis. The gate voltage ˜ = − 3U/2 is shifted such that = 0 corresponds to the point of particle-hole symmetry at zero Zeeman field B = 0.33 Moreover, U denotes the strength of the Coulomb interaction. We refrain from introducing a level splittin ...
... where niσ = diσ diσ and i = 1,2 labels a Wannier basis. The gate voltage ˜ = − 3U/2 is shifted such that = 0 corresponds to the point of particle-hole symmetry at zero Zeeman field B = 0.33 Moreover, U denotes the strength of the Coulomb interaction. We refrain from introducing a level splittin ...
Fractional quantum Hall effect in optical lattices
... gases, trapped Bose-Einstein condensates 共BECs兲 have become an important system to study many-body physics such as quantum phase transitions. In particular, the ability to dynamically control the lattice structure and the strength of interaction as well as the absence of impurities in BECs confined ...
... gases, trapped Bose-Einstein condensates 共BECs兲 have become an important system to study many-body physics such as quantum phase transitions. In particular, the ability to dynamically control the lattice structure and the strength of interaction as well as the absence of impurities in BECs confined ...
S–I–S its S–I transition C.D. , Kwangmoo Kim
... are substantial differences. For example, even though the order parameter decays exponentially into the I region, as in an S–N–S junction, our junction will behave more like an S–I–S junction since the non-superconducting region in isolation would be insulating at zero temperature. Also, the composi ...
... are substantial differences. For example, even though the order parameter decays exponentially into the I region, as in an S–N–S junction, our junction will behave more like an S–I–S junction since the non-superconducting region in isolation would be insulating at zero temperature. Also, the composi ...
Shot noise of spin-polarized charge currents as a
... the y axis in 共b兲. For fixed L and LSO, the decay of 兩Pdetect兩 is suppressed in narrow wires 关panel 共d兲兴, which establishes a one-to-one correspondence between the Fano factor F↑→↑↓ and 兩Pdetect兩 关panel 共e兲兴. Note that the Fano factors attaining universal value3,5 F↑→↑ = F↑→↑↓ = 1 / 3 in the limit o ...
... the y axis in 共b兲. For fixed L and LSO, the decay of 兩Pdetect兩 is suppressed in narrow wires 关panel 共d兲兴, which establishes a one-to-one correspondence between the Fano factor F↑→↑↓ and 兩Pdetect兩 关panel 共e兲兴. Note that the Fano factors attaining universal value3,5 F↑→↑ = F↑→↑↓ = 1 / 3 in the limit o ...
3D Inversion of magnetic total gradient data in the presence of
... magnetization, we have developed a 3D magnetic inversion algorithm that utilizes the minimal dependence on magnetization direction by quantities such as total gradient. We first compute total gradient of observed total field magnetic anomaly data and then invert the new data to recover 3D variation ...
... magnetization, we have developed a 3D magnetic inversion algorithm that utilizes the minimal dependence on magnetization direction by quantities such as total gradient. We first compute total gradient of observed total field magnetic anomaly data and then invert the new data to recover 3D variation ...
Dynamics and Excited States of Quantum Many
... quantum matter platforms. One such challenge is establishing more flexible capabilities in the sorts of Hamiltonians we can model. By observing suppression of the ground state spin ordering, we have demonstrated our ability to continuously tune the interaction range in a power-law interaction patter ...
... quantum matter platforms. One such challenge is establishing more flexible capabilities in the sorts of Hamiltonians we can model. By observing suppression of the ground state spin ordering, we have demonstrated our ability to continuously tune the interaction range in a power-law interaction patter ...
Finite Element Method for Finite-Size Scaling in Quantum Mechanics
... of a system when the size tends to infinity but a theory that also gives us numerical methods4–11 capable of obtaining accurate results for infinite systems by studying the corresponding small systems. Recently, we have applied the FSS theory to quantum systems.12–21 In this approach, the finite siz ...
... of a system when the size tends to infinity but a theory that also gives us numerical methods4–11 capable of obtaining accurate results for infinite systems by studying the corresponding small systems. Recently, we have applied the FSS theory to quantum systems.12–21 In this approach, the finite siz ...
CT-Invariant Quantum Spin Hall Effect in Ferromagnetic Graphene
... quantum Hall effect (QHE). These results have been observed in recent experiments [14,15]. For a ferromagnetic graphene with M Þ 0, the spin current emerges [see Fig. 1(b)] since the QSHE. The spin Hall conductance Is =V also shows the quantized plateaus. By considering the edge state under the high ...
... quantum Hall effect (QHE). These results have been observed in recent experiments [14,15]. For a ferromagnetic graphene with M Þ 0, the spin current emerges [see Fig. 1(b)] since the QSHE. The spin Hall conductance Is =V also shows the quantized plateaus. By considering the edge state under the high ...
Lectures on Mean Field Games
... Σ(·, ·, x, µ) : Ω × [0, T ] 3 (ω, t) 7→ Σ(ω, t, x, µ) are F-progressively measurable and belong to H2,d and H2,d×d respectively. (A2) ∀t ∈ [0, T ], ∀x, x 0 ∈ Rd , ∀µ, µ0 ∈ P2 (Rd ), with probability 1 under P, ...
... Σ(·, ·, x, µ) : Ω × [0, T ] 3 (ω, t) 7→ Σ(ω, t, x, µ) are F-progressively measurable and belong to H2,d and H2,d×d respectively. (A2) ∀t ∈ [0, T ], ∀x, x 0 ∈ Rd , ∀µ, µ0 ∈ P2 (Rd ), with probability 1 under P, ...
Assessing the Nonequilibrium Thermodynamics in a
... out of equilibrium. We show that, for the sudden quench and for an initial state that commutes with the initial Hamiltonian, it is possible to retrieve the whole nonequilibrium thermodynamics via single projective measurements of observables. We highlight, in a physically clear way, the qualitative ...
... out of equilibrium. We show that, for the sudden quench and for an initial state that commutes with the initial Hamiltonian, it is possible to retrieve the whole nonequilibrium thermodynamics via single projective measurements of observables. We highlight, in a physically clear way, the qualitative ...
Statistical Approach to Nuclear Level Density
... the isospin-suppressed nuclei are slightly off the common picture. The right panel shows the comparison between the moments-method calculations of this parameter (black circles), the fit from experimental data on neutron resonances (Ref. [21], orange diamonds), and the fit using experimental low-lying ...
... the isospin-suppressed nuclei are slightly off the common picture. The right panel shows the comparison between the moments-method calculations of this parameter (black circles), the fit from experimental data on neutron resonances (Ref. [21], orange diamonds), and the fit using experimental low-lying ...
univERsity oF copEnhAGEn
... of spacetime is less than two, where one encounters the so-called non-critical string theory. This string theory can be solved both using standard continuum quantization and using the DT-lattice regularization (and taking the limit at → 0). Agreement is found. Thus a lattice regularization is not in ...
... of spacetime is less than two, where one encounters the so-called non-critical string theory. This string theory can be solved both using standard continuum quantization and using the DT-lattice regularization (and taking the limit at → 0). Agreement is found. Thus a lattice regularization is not in ...