Quantum Criticality: competing ground states in low
... same. The exact result for ΦI is known, and it is an excellent approximation to just replace its inverse by a low frequency expansion [3] ΦI (h̄ω/kB T ) = A(1 − iω/ΓR + . . .)−1 ; here A is a dimensionless prefactor, and we have the important result that ΓR = (2 tan(π/16))kB T /h̄. This is the respo ...
... same. The exact result for ΦI is known, and it is an excellent approximation to just replace its inverse by a low frequency expansion [3] ΦI (h̄ω/kB T ) = A(1 − iω/ΓR + . . .)−1 ; here A is a dimensionless prefactor, and we have the important result that ΓR = (2 tan(π/16))kB T /h̄. This is the respo ...
Inflation, quantum fields, and CMB anisotropies
... uniquely defined by 2h (k), as the basic object. However, h 2 represents the variance of the Gaussian probability distribution associated to h( x , t), which means that at any ...
... uniquely defined by 2h (k), as the basic object. However, h 2 represents the variance of the Gaussian probability distribution associated to h( x , t), which means that at any ...
CSE 599d - Quantum Computing Introduction and Basics of
... (we will return to this latter.) Let f be a function, which for simplicity we will say takes as input a n bit number. We might imagine that this function is computed by some machine. In the classical world we can query this function by inputting some value to the machine and getting out the value of ...
... (we will return to this latter.) Let f be a function, which for simplicity we will say takes as input a n bit number. We might imagine that this function is computed by some machine. In the classical world we can query this function by inputting some value to the machine and getting out the value of ...
Heisenberg`s original derivation of the uncertainty principle and its
... measured twice in succession in a system S, then we get the same value each time. It can be seen from the following definition of measurement due to Schrödinger given in his famous ‘cat paradox’ paper8 that von Neumann’s repeatability hypothesis was broadly accepted in the 1930s. The systematically ...
... measured twice in succession in a system S, then we get the same value each time. It can be seen from the following definition of measurement due to Schrödinger given in his famous ‘cat paradox’ paper8 that von Neumann’s repeatability hypothesis was broadly accepted in the 1930s. The systematically ...
Realization of the Cirac–Zoller controlled
... operation consists of a pair of Ramsey pulses enclosing a composite phase gate19; for details see the Methods. Finally, a p-pulse on the blue sideband applied to the first ion restores the controlling qubit and the bus-mode to their original states. The pulse sequence applied to ions 1 and 2 is sket ...
... operation consists of a pair of Ramsey pulses enclosing a composite phase gate19; for details see the Methods. Finally, a p-pulse on the blue sideband applied to the first ion restores the controlling qubit and the bus-mode to their original states. The pulse sequence applied to ions 1 and 2 is sket ...
Non-local quantum effects in cosmology 1
... equations governing the scale factor a(t), which in the classical theory are local differential equations. The effects of loops will generate new contributions where the equation for the scale factor depends on what the scale factor was doing in the past. We refer to this effect as the quantum memor ...
... equations governing the scale factor a(t), which in the classical theory are local differential equations. The effects of loops will generate new contributions where the equation for the scale factor depends on what the scale factor was doing in the past. We refer to this effect as the quantum memor ...