Q QUANTUM COHERENCE PROGRESS
... to be crucial for explaining the behaviour of large systems6. For example, the low values of magnetic susceptibilities in some magnetic systems can be explained only by using entangled states of those systems. Now, what exactly is entanglement? After all is said and done, it takes (at least) two to ...
... to be crucial for explaining the behaviour of large systems6. For example, the low values of magnetic susceptibilities in some magnetic systems can be explained only by using entangled states of those systems. Now, what exactly is entanglement? After all is said and done, it takes (at least) two to ...
Classical & quantum dynamics of information
... present Thesis. An alternative approach to the characterization of quantum correlations, based on perturbations under local measurements, is also briefly reviewed. The use of uncertainty relations as entanglement indicators in composite systems having distinguishable subsystems is then examined in s ...
... present Thesis. An alternative approach to the characterization of quantum correlations, based on perturbations under local measurements, is also briefly reviewed. The use of uncertainty relations as entanglement indicators in composite systems having distinguishable subsystems is then examined in s ...
Quantum simulation of disordered systems with cold atoms
... main prediction is the existence of exponentially-localized eigenstates in space, in sharp contrast with the delocalized Bloch eigenstates of a prefect crystal. In three dimensions (3D), the model predicts the existence of a second-order quantum phase transition between delocalized (“metal”) and loc ...
... main prediction is the existence of exponentially-localized eigenstates in space, in sharp contrast with the delocalized Bloch eigenstates of a prefect crystal. In three dimensions (3D), the model predicts the existence of a second-order quantum phase transition between delocalized (“metal”) and loc ...
Text and script of the play "Incredible Quantum Tablet".
... wheels, so it can be pushed to back, to right, to left, rotated 90 or 180 degrees, etc. It can be used as part of a complete stage design that includes the FrontBot, RigthBot and BackBot, as well as other props such as furniture or speakers or lab equipment. 2. RightBot is a vertical wall from playw ...
... wheels, so it can be pushed to back, to right, to left, rotated 90 or 180 degrees, etc. It can be used as part of a complete stage design that includes the FrontBot, RigthBot and BackBot, as well as other props such as furniture or speakers or lab equipment. 2. RightBot is a vertical wall from playw ...
ABSTRACT ADIABATIC QUANTUM COMPUTATION: NOISE IN THE ADIABATIC THEOREM AND USING THE JORDAN-WIGNER
... involve a non-Hermitian operator without a complete set of orthonormal eigenstates. Some progress has been made for the AQC equivalent of the Grover search algorithm, where (ideally) the dynamics are contained in a two-dimensional subspace of the Hilbert space [1, 2, 59]. Experimental error, includi ...
... involve a non-Hermitian operator without a complete set of orthonormal eigenstates. Some progress has been made for the AQC equivalent of the Grover search algorithm, where (ideally) the dynamics are contained in a two-dimensional subspace of the Hilbert space [1, 2, 59]. Experimental error, includi ...
Fig. - UCSD Physics
... experimental sequence that was similar to the one described above. However, instead of swapping the dimerization from D1 to D2, an energy offset |∆| < 2J was introduced for one half of the sequence. Thereafter, because of the spin-echo pulse, the wavepackets return to k = 0 in the lowest band. Altho ...
... experimental sequence that was similar to the one described above. However, instead of swapping the dimerization from D1 to D2, an energy offset |∆| < 2J was introduced for one half of the sequence. Thereafter, because of the spin-echo pulse, the wavepackets return to k = 0 in the lowest band. Altho ...
93, 023615 (2016)
... ωx = ωy = 0.23ωz = 2π ×33 Hz, producing an effective twodimensional system in our simulation (where we integrate out only the z degrees of freedom). After an initial displacement of 1.26 μm in the x direction, we compute the BEC’s periodic motion by numerically solving the time-dependent GPE and rec ...
... ωx = ωy = 0.23ωz = 2π ×33 Hz, producing an effective twodimensional system in our simulation (where we integrate out only the z degrees of freedom). After an initial displacement of 1.26 μm in the x direction, we compute the BEC’s periodic motion by numerically solving the time-dependent GPE and rec ...
6 Field-Theoretical Methods in Quantum Magnetism
... with g = 2/S the coupling constant, v = 2aJS the spin wave velocity and the topological angle θ = 2πS. If we want the action to be finite in an infinite system and at zero temperature, we have to impose that m tends to a fixed vector m0 at infinity in space and imaginary time. By making all the points a ...
... with g = 2/S the coupling constant, v = 2aJS the spin wave velocity and the topological angle θ = 2πS. If we want the action to be finite in an infinite system and at zero temperature, we have to impose that m tends to a fixed vector m0 at infinity in space and imaginary time. By making all the points a ...
Existence of an Ericson regime in stretched helium
... in the chaotic jumble, regular progressions of Rydberg series do exist. They are confined to the immediate neighborhood of E (r) 521/2m 2 , m51,2, . . . , and have very small imaginary parts. Apart from the low m series we did not search for these states. They play no role in the context of our sear ...
... in the chaotic jumble, regular progressions of Rydberg series do exist. They are confined to the immediate neighborhood of E (r) 521/2m 2 , m51,2, . . . , and have very small imaginary parts. Apart from the low m series we did not search for these states. They play no role in the context of our sear ...
Helium atom - ChaosBook.org
... almost any starting condition, the system is unbounded: one electron (say electron 1) can escape, with an arbitrary amount of kinetic energy taken by the fugative. The remaining electron is trapped in a Kepler ellipse with total energy in the range [−1, −∞]. There is no energy barrier which would se ...
... almost any starting condition, the system is unbounded: one electron (say electron 1) can escape, with an arbitrary amount of kinetic energy taken by the fugative. The remaining electron is trapped in a Kepler ellipse with total energy in the range [−1, −∞]. There is no energy barrier which would se ...
Helium atom - ChaosBook.org
... almost any starting condition, the system is unbounded: one electron (say electron 1) can escape, with an arbitrary amount of kinetic energy taken by the fugative. The remaining electron is trapped in a Kepler ellipse with total energy in the range [−1, −∞]. There is no energy barrier which would se ...
... almost any starting condition, the system is unbounded: one electron (say electron 1) can escape, with an arbitrary amount of kinetic energy taken by the fugative. The remaining electron is trapped in a Kepler ellipse with total energy in the range [−1, −∞]. There is no energy barrier which would se ...
Preparing Ground States of Quantum Many
... down. If cooling is too fast, the system can become trapped in a local minimum. Running time depends on the energy landscape. In the worst case, the running time is proportional to the number of states N = 2n . ...
... down. If cooling is too fast, the system can become trapped in a local minimum. Running time depends on the energy landscape. In the worst case, the running time is proportional to the number of states N = 2n . ...
Bridging scales in nuclear physics
... The Fermi-Dirac statistic of fermions are ensured by the anticommutation rules for the creation and annihiliation operators. The anticommutation rules for fermions are {a†α , a†β } = 0, ...
... The Fermi-Dirac statistic of fermions are ensured by the anticommutation rules for the creation and annihiliation operators. The anticommutation rules for fermions are {a†α , a†β } = 0, ...
Quantum Gates and Simon`s Algorithm
... A register of two coupled qubits can hold any of the states |Ψi = α |↑↑i + β |↓↑i + γ |↑↓i + δ |↓↓i in the state space H2 ⊗ H2 = C2 ⊗ C2 . Two separate qubits Two separate qubits can hold any of the product states |Ψ1 i ⊗ |Ψ2 i = (α1 |↑i + β1 |↓i)⊗(α2 |↑i + β2 |↓i) in the state space H2 ⊕ H2 ⊂ C2 ⊕ ...
... A register of two coupled qubits can hold any of the states |Ψi = α |↑↑i + β |↓↑i + γ |↑↓i + δ |↓↓i in the state space H2 ⊗ H2 = C2 ⊗ C2 . Two separate qubits Two separate qubits can hold any of the product states |Ψ1 i ⊗ |Ψ2 i = (α1 |↑i + β1 |↓i)⊗(α2 |↑i + β2 |↓i) in the state space H2 ⊕ H2 ⊂ C2 ⊕ ...