Locally critical quantum phase transitions in strongly
... sitting at the site. There are two important energy scales in the problem22,23: the Kondo temperature TK sets the scale below which an isolated local moment would be screened by the spins of the conduction electrons, while the Ruderman±Kittel±Kasuya±Yosida (RKKY) interaction characterizes the induce ...
... sitting at the site. There are two important energy scales in the problem22,23: the Kondo temperature TK sets the scale below which an isolated local moment would be screened by the spins of the conduction electrons, while the Ruderman±Kittel±Kasuya±Yosida (RKKY) interaction characterizes the induce ...
An Introduction to Quantum Spin Systems Notes for MA5020 (John
... DMRG method works well for one-dimensional problems more generally, especially for models with a non-vanishing gap, as is in the case for any Hamiltonian in the Haldane phase [5, 16, 28, 48]. The AKLT chain is frequently used as a testing ground for new concepts in many-body physics and quantum info ...
... DMRG method works well for one-dimensional problems more generally, especially for models with a non-vanishing gap, as is in the case for any Hamiltonian in the Haldane phase [5, 16, 28, 48]. The AKLT chain is frequently used as a testing ground for new concepts in many-body physics and quantum info ...
pptx - Departamento de Matemáticas
... strongly correlated fermionic and bosonic systems. It allows for a very precise calculation of static, dynamical and thermodynamical properties. Its field of applicability has now extended beyond Condensed Matter, and is successfully used in Statistical Mechanics and High Energy Physics as well. In ...
... strongly correlated fermionic and bosonic systems. It allows for a very precise calculation of static, dynamical and thermodynamical properties. Its field of applicability has now extended beyond Condensed Matter, and is successfully used in Statistical Mechanics and High Energy Physics as well. In ...
Quantum spin liquids
... numbers into one joint spin quantum number fornon-trivial conventional topological order, e.g. non-Abelian string nets. SU(2) spins. This process, which for the anyon theories is often called fusion, has to obey very similar rules as those for combining two conventional SU(2) spins. In particular, t ...
... numbers into one joint spin quantum number fornon-trivial conventional topological order, e.g. non-Abelian string nets. SU(2) spins. This process, which for the anyon theories is often called fusion, has to obey very similar rules as those for combining two conventional SU(2) spins. In particular, t ...
http://arxiv.org/pdf/1208.5715v1.pdf
... supersymmetric compactifications of the heterotic string, there are U(1) gauge bosons that appear to have a gauge-gravitational anomaly. This leads to an apparent one loop tadpole for the D term of the vector multiplet, which would break SUSY. The authors of [14] have shown that the dilaton superfie ...
... supersymmetric compactifications of the heterotic string, there are U(1) gauge bosons that appear to have a gauge-gravitational anomaly. This leads to an apparent one loop tadpole for the D term of the vector multiplet, which would break SUSY. The authors of [14] have shown that the dilaton superfie ...
The gauge non-invariance of Classical Electromagnetism
... tentials from the fields. The potentials of Classical Electromagnetism do have a physical meaning as recalled recently [4, 5, 6, 15, 16] and should be considered as the starting point of Classical Electromagnetism [6, 15]. If we defined the fields from the potentials and not the contrary, the gauge ...
... tentials from the fields. The potentials of Classical Electromagnetism do have a physical meaning as recalled recently [4, 5, 6, 15, 16] and should be considered as the starting point of Classical Electromagnetism [6, 15]. If we defined the fields from the potentials and not the contrary, the gauge ...
Phys. Rev. B.76.193101(2007) - Purdue Physics
... Unlike classically ordered state, FQH liquids cannot be described by Landau’s theory of symmetry breaking and the related order parameters.2,9 A new theory of topological order is proposed to describe FQH liquids.9 New nonlocal quantities, instead of local order parameters, such as ground state dege ...
... Unlike classically ordered state, FQH liquids cannot be described by Landau’s theory of symmetry breaking and the related order parameters.2,9 A new theory of topological order is proposed to describe FQH liquids.9 New nonlocal quantities, instead of local order parameters, such as ground state dege ...
- Sussex Research Online
... larger than the two-loop corrections. Thus, two-loop computations do actually not improve evidence for unification. Similarly, the uncertainty in the value of the coefficient c is far greater than experimental uncertainties in measurements of SM/MSSM parameters. For example, the parameter range 3 ð ...
... larger than the two-loop corrections. Thus, two-loop computations do actually not improve evidence for unification. Similarly, the uncertainty in the value of the coefficient c is far greater than experimental uncertainties in measurements of SM/MSSM parameters. For example, the parameter range 3 ð ...
Operator Analysis for the Higgs Potential and Cosmological Bound
... in Ref.[5] and O2 in Ref.[7] with simple replacement of the singlet field by φ2 . The results show that the observed baryon asymmetry can be produced at weak scale provided that the new physics scale Λ is of O(TeV). Moreover, the predicted values of the electric dipole moments of neutron and electro ...
... in Ref.[5] and O2 in Ref.[7] with simple replacement of the singlet field by φ2 . The results show that the observed baryon asymmetry can be produced at weak scale provided that the new physics scale Λ is of O(TeV). Moreover, the predicted values of the electric dipole moments of neutron and electro ...
high-temperature superconductivity from short
... Mermin-Wagner theorem states that you cannot break a continuous symmetry in two dimensions. Hence, the phase transition that would appear in mean-field theory is replaced by a crossover temperature below which the antiferromagnetic correlation length ξ grows rapidly. When it becomes larger than the ...
... Mermin-Wagner theorem states that you cannot break a continuous symmetry in two dimensions. Hence, the phase transition that would appear in mean-field theory is replaced by a crossover temperature below which the antiferromagnetic correlation length ξ grows rapidly. When it becomes larger than the ...
