Introduction to the Bethe Ansatz II
... the model system which inspired Bethe to formulate the now celebrated method for calculating eigenvalues, eigenvectors, and a host of physical properties. Interest in quasi-1D magnetic materials has stimulated theoretical work on quantum spin chains from the early sixties until the present. Some of ...
... the model system which inspired Bethe to formulate the now celebrated method for calculating eigenvalues, eigenvectors, and a host of physical properties. Interest in quasi-1D magnetic materials has stimulated theoretical work on quantum spin chains from the early sixties until the present. Some of ...
Monte Carlo Simulations of Quantum Spin Models - cond
... When using the second-order approximation from Eq. (7), the final expression is obvious. However, when using the third-order approximation, one actually obtains the same final expression, due to the cyclic invariance of the trace, which can be used to move the most left exponential to the very right ...
... When using the second-order approximation from Eq. (7), the final expression is obvious. However, when using the third-order approximation, one actually obtains the same final expression, due to the cyclic invariance of the trace, which can be used to move the most left exponential to the very right ...
On the quantum no-signalling assisted zero-error
... where C0,N S (K) is the QSNC assisted classical zero-error capacity and CminE (K) is the minimum of the entanglementassisted classical capacity [3], [20] of quantum channels N such that K(N ) < K. Semidefinite programs [21] can be solved in polynomial time in the program description [22] and there e ...
... where C0,N S (K) is the QSNC assisted classical zero-error capacity and CminE (K) is the minimum of the entanglementassisted classical capacity [3], [20] of quantum channels N such that K(N ) < K. Semidefinite programs [21] can be solved in polynomial time in the program description [22] and there e ...
61, 062310 (2000)
... state-dependent systems. As any unitary evolution can be accomplished via universal quantum logic gates 关22,23兴, the key to realizing probabilistic identification and cloning is to obtain the unitary representation or the Hamiltonian of the evolution in the machines. We derive the explicit unitary r ...
... state-dependent systems. As any unitary evolution can be accomplished via universal quantum logic gates 关22,23兴, the key to realizing probabilistic identification and cloning is to obtain the unitary representation or the Hamiltonian of the evolution in the machines. We derive the explicit unitary r ...
Phase control of trapped ion quantum gates
... 1.1. Coherent interaction between trapped ion hyperfine qubits and optical fields An optical coupling between the hyperfine qubit states and an excited electronic state of each ion can be exploited to entangle qubit states with collective motional states, forming the backbone of most trapped ion qua ...
... 1.1. Coherent interaction between trapped ion hyperfine qubits and optical fields An optical coupling between the hyperfine qubit states and an excited electronic state of each ion can be exploited to entangle qubit states with collective motional states, forming the backbone of most trapped ion qua ...
Quantum Theory: a Pragmatist Approach
... account of probability! Of course, he would insist that different persons may, and often do, hold different beliefs, which makes probability personalist—varying from person to person—and to that extent subjective. On other “subjectivist” views, an agent’s degrees of belief count as probabilities onl ...
... account of probability! Of course, he would insist that different persons may, and often do, hold different beliefs, which makes probability personalist—varying from person to person—and to that extent subjective. On other “subjectivist” views, an agent’s degrees of belief count as probabilities onl ...
Quantum mechanical modeling of the CNOT (XOR) gate
... Here we pose the question of the symmetry group of the interaction eq. (27). A bit of care is required with this regard: whilst the states {|ii} of both the qubits can physically be virtually arbitrary (e.g., the ”ground”, |gi, and ”excited”, |ei) states, all the considerations are formally equivale ...
... Here we pose the question of the symmetry group of the interaction eq. (27). A bit of care is required with this regard: whilst the states {|ii} of both the qubits can physically be virtually arbitrary (e.g., the ”ground”, |gi, and ”excited”, |ei) states, all the considerations are formally equivale ...
Solving Critical Section problem in Distributed system by Entangled Quantum bits
... introduced a general Qbit. But it is still one thing remaining: If a Qbit is in a superposition of of tow basis states how can we measure its state? The answer to this question comes from one of the basic principles of the quantum mechanics: It is impossible to understand a Qubit's state without per ...
... introduced a general Qbit. But it is still one thing remaining: If a Qbit is in a superposition of of tow basis states how can we measure its state? The answer to this question comes from one of the basic principles of the quantum mechanics: It is impossible to understand a Qubit's state without per ...
Quantum-Secure Message Authentication Codes
... of quantum secure MACs and give an example of a MAC system that is secure against quantum adversaries capable of classical chosen message queries, but is insecure when the adversary can issue quantum chosen message queries. We then present a number of quantum secure MAC systems. Quantum secure MACs. ...
... of quantum secure MACs and give an example of a MAC system that is secure against quantum adversaries capable of classical chosen message queries, but is insecure when the adversary can issue quantum chosen message queries. We then present a number of quantum secure MAC systems. Quantum secure MACs. ...
course syllabus
... COURSE OBJECTIVES C1. To develop basic knowledge by the student from the following branches of physics: of wave motion and acoustics; of, regular and quantum geometric optics; but first of all of elements of the theory of hearing and seeing. C2. To develop skills in qualitative understanding and int ...
... COURSE OBJECTIVES C1. To develop basic knowledge by the student from the following branches of physics: of wave motion and acoustics; of, regular and quantum geometric optics; but first of all of elements of the theory of hearing and seeing. C2. To develop skills in qualitative understanding and int ...
Topological Orders
... stable and easier to observe, while quantum Hall states with complex rational filling factors (say ν = 4/9, 2/7, ...) are less stable and harder to observe (ie they appear only in cleaner samples and lower temperatures). The quantum Hall states with integer filling factors are called the integral qu ...
... stable and easier to observe, while quantum Hall states with complex rational filling factors (say ν = 4/9, 2/7, ...) are less stable and harder to observe (ie they appear only in cleaner samples and lower temperatures). The quantum Hall states with integer filling factors are called the integral qu ...
Randomness in (Quantum) Information Processing
... quantum information processing, especially in cryptography. The accent is on production of high-quality randomness (randomness extraction), efficient usage of randomness (design of applications consuming as little randomness as possible), and role of weak randomness in applications - in what applica ...
... quantum information processing, especially in cryptography. The accent is on production of high-quality randomness (randomness extraction), efficient usage of randomness (design of applications consuming as little randomness as possible), and role of weak randomness in applications - in what applica ...
Detailed program - Ricardo Mendes Ribeiro
... and postdoctoral fellows, taught undergraduate as well as graduate courses, and contributed to the physics department in many ways. Shi-Jian’s research areas were condensed matter theory and quantum information. I will not go into details on Shi-Jian’s contributions, other than to point out that thr ...
... and postdoctoral fellows, taught undergraduate as well as graduate courses, and contributed to the physics department in many ways. Shi-Jian’s research areas were condensed matter theory and quantum information. I will not go into details on Shi-Jian’s contributions, other than to point out that thr ...