Quantum Computational Renormalization in the - IAP TU
... from measurement outcome |θi on spin j followed by |xi on spin j+1. The dominant AKLT term yields the logical action σx (σx Rz (θ)) = Rz (θ). But the ordering is reversed in the swapped term, and the action on the logical state is instead (σx Rz (θ))σx = Rz (−θ). Interference of the two terms reduce ...
... from measurement outcome |θi on spin j followed by |xi on spin j+1. The dominant AKLT term yields the logical action σx (σx Rz (θ)) = Rz (θ). But the ordering is reversed in the swapped term, and the action on the logical state is instead (σx Rz (θ))σx = Rz (−θ). Interference of the two terms reduce ...
Paper
... became very broad, we characterized them by an error function fit, with the center of the fitted error function taken as the center of the transition (Fig. 4). In the 1D system, at a very shallow lattice depth of 0.25 ER (corresponding to u=uc 0:08) a sharp transition was observed, and the measure ...
... became very broad, we characterized them by an error function fit, with the center of the fitted error function taken as the center of the transition (Fig. 4). In the 1D system, at a very shallow lattice depth of 0.25 ER (corresponding to u=uc 0:08) a sharp transition was observed, and the measure ...
5, 4023 (2014)
... optical cavity24. As shown in the following, the interactioninduced spontaneous symmetry breaking of the ground state allows the mapping of the SO-coupled BEC to the well-known Dicke model, leading to the prediction of an intriguing quantum phase transition when the Raman coupling strength is varied ...
... optical cavity24. As shown in the following, the interactioninduced spontaneous symmetry breaking of the ground state allows the mapping of the SO-coupled BEC to the well-known Dicke model, leading to the prediction of an intriguing quantum phase transition when the Raman coupling strength is varied ...
Chapter 12 Thermodynamics and Magnetism
... of local (atomic) or itinerant (conduction) electronic states is lifted (Zeeman effect). At low temperature this results in an induced macroscopic magnetic moment whose vector direction lies parallel to the external field. This is referred to as paramagnetism.3 For most materials removing the extern ...
... of local (atomic) or itinerant (conduction) electronic states is lifted (Zeeman effect). At low temperature this results in an induced macroscopic magnetic moment whose vector direction lies parallel to the external field. This is referred to as paramagnetism.3 For most materials removing the extern ...
Newton`s cradle analogue with Bose
... Classical machines represent a smart way to transmit insight of physical mechanisms concealed into nature. Quantum Mechanics has been one of the most prolific sources of unexpected phenomena, but is often hard to understand. Thus, finding a classical machine which is a paradigm for the quantum natur ...
... Classical machines represent a smart way to transmit insight of physical mechanisms concealed into nature. Quantum Mechanics has been one of the most prolific sources of unexpected phenomena, but is often hard to understand. Thus, finding a classical machine which is a paradigm for the quantum natur ...
Dynamics of a charged particle in a magnetic
... to zero very slowly we did not determine whether the Lyapunov exponent vanishes exactly or it is very small. For large values of B 1 the calculation does converge to a constant value which is the largest Lyapunov exponent. The transition to extended chaotic motion is seen as an approximate linear ri ...
... to zero very slowly we did not determine whether the Lyapunov exponent vanishes exactly or it is very small. For large values of B 1 the calculation does converge to a constant value which is the largest Lyapunov exponent. The transition to extended chaotic motion is seen as an approximate linear ri ...
Spin-polarized transport through two quantum dots Interference and Coulomb correlation effects P.
... system resistance when magnetic configuration of the system varies from antiparallel to parallel, and is described quantitatively by the ratio (RAP – RP)/RP, where RAP and RP are the resistances in the antiparallel and parallel magnetic configurations, respectively. In the following discussion, we a ...
... system resistance when magnetic configuration of the system varies from antiparallel to parallel, and is described quantitatively by the ratio (RAP – RP)/RP, where RAP and RP are the resistances in the antiparallel and parallel magnetic configurations, respectively. In the following discussion, we a ...
Phase transitions for N-electron atoms at the large
... values of Z. Figure 5 shows that for Z.Z 1 .2.405 the symmetric solution for N53 is the global minimum, while for 2,Z,Z5Z 1 .2.405 the nonsymmetric solution is the global minimum. At Z52, ionization occurs where one electron moves to an infinite distance and the symmetric N52 solution is the global ...
... values of Z. Figure 5 shows that for Z.Z 1 .2.405 the symmetric solution for N53 is the global minimum, while for 2,Z,Z5Z 1 .2.405 the nonsymmetric solution is the global minimum. At Z52, ionization occurs where one electron moves to an infinite distance and the symmetric N52 solution is the global ...
Quantum Theory of Molecular Magnetism - cond
... In this chapter I would like to present a short introduction into the field of molecular magnetism and some of the theoretical techniques as well as results. Some parts of the presentation overlap with earlier presentations in Refs. [1, 2]. The synthesis of magnetic molecules shows continuous progre ...
... In this chapter I would like to present a short introduction into the field of molecular magnetism and some of the theoretical techniques as well as results. Some parts of the presentation overlap with earlier presentations in Refs. [1, 2]. The synthesis of magnetic molecules shows continuous progre ...
S - ESRF
... Describe the minimal energy configuration of ground state of electrons in the unfilled shells: 1st rule: Maximization of total spin S consistent with Pauli’s exclusion principle because prevent the electron with the same spin to be in the same place reduces the Coulomb repulsion between electrons 2n ...
... Describe the minimal energy configuration of ground state of electrons in the unfilled shells: 1st rule: Maximization of total spin S consistent with Pauli’s exclusion principle because prevent the electron with the same spin to be in the same place reduces the Coulomb repulsion between electrons 2n ...
114, 125301 (2015)
... a stable effective modulation; for very small ω, the SOC strength barely changes and the system is also stable. In the intermediate regime, we use Floquet theory to describe the strong instability of the modulated BEC [17]. Figure 4(c) shows the Floquet band structure of a minimal model spanned by t ...
... a stable effective modulation; for very small ω, the SOC strength barely changes and the system is also stable. In the intermediate regime, we use Floquet theory to describe the strong instability of the modulated BEC [17]. Figure 4(c) shows the Floquet band structure of a minimal model spanned by t ...
Spin States in Graphene Quantum Dots
... systems are limited by hyperfine coupling and spin-orbit interactions. In graphene-based nanostructures, both limitations are expected to be significantly reduced in strength [4–7]. The electrostatic tunability of graphene quantum dots as well as the observation of excited states have been demonstra ...
... systems are limited by hyperfine coupling and spin-orbit interactions. In graphene-based nanostructures, both limitations are expected to be significantly reduced in strength [4–7]. The electrostatic tunability of graphene quantum dots as well as the observation of excited states have been demonstra ...
Orbital order in classical models of transition
... In the t2g compounds (e.g., LaTiO3 ) the general form of Eqs. (1-2) is preserved but the appropriate choice of the π̂rα ’s is now π̂rα = 12 σrα for α = x, y, z, see [13]. This is called the orbital compass model. It is worth noting that an accounting of the strain field in the eg compounds leads dir ...
... In the t2g compounds (e.g., LaTiO3 ) the general form of Eqs. (1-2) is preserved but the appropriate choice of the π̂rα ’s is now π̂rα = 12 σrα for α = x, y, z, see [13]. This is called the orbital compass model. It is worth noting that an accounting of the strain field in the eg compounds leads dir ...
The Kitaev model
... this is true in all the phases. The fermionic spectra can be gapped or gapless In the gapped phases, the different particles (fermions and vortex) have Abelian statistics. Taking any particle around any other, or exchanging two identical particles, only multiplies the wave function by ± 1 Difficult ...
... this is true in all the phases. The fermionic spectra can be gapped or gapless In the gapped phases, the different particles (fermions and vortex) have Abelian statistics. Taking any particle around any other, or exchanging two identical particles, only multiplies the wave function by ± 1 Difficult ...
Inverse magnetic catalysis in QCD and holography
... other than the QCD Lagrangian. The other method, the one we will be using, is to use the holographic principle to try to come up with a dual gravitational theory in which the results can be computed more readily. The above leads to the following problem statement: Can we, using holographic methods, ...
... other than the QCD Lagrangian. The other method, the one we will be using, is to use the holographic principle to try to come up with a dual gravitational theory in which the results can be computed more readily. The above leads to the following problem statement: Can we, using holographic methods, ...
Midgap states of a two-dimensional antiferromagnetic Mott
... of charge carriers and that they play a central role in the occurrence of high-temperature superconductivity. While some phenomenological pictures [4], [5] of this anomalous metal have been introduced, a microscopic theory has yet to be formulated. In this paper, we compute the electronic spectrum o ...
... of charge carriers and that they play a central role in the occurrence of high-temperature superconductivity. While some phenomenological pictures [4], [5] of this anomalous metal have been introduced, a microscopic theory has yet to be formulated. In this paper, we compute the electronic spectrum o ...