Single Emitter Detection with Fluorescence and Extinction
... Extinction spectrum recorded from a single molecule under an ultrafaint detected power of 550 photons per second. ...
... Extinction spectrum recorded from a single molecule under an ultrafaint detected power of 550 photons per second. ...
Realization of the Quantum Toffoli Gate with Trapped Ions
... jSDDi; jSDSi; jSSDi; jSSSig: The factor expði 2p1 ffiffi2 Z;t Þ, with the Pauli operator Z , is a phase shift on the target qubit jti. This phase factor can either be included in a redefinition of the computational basis or compensated for by single qubit operations. In total, this unitary evolution ...
... jSDDi; jSDSi; jSSDi; jSSSig: The factor expði 2p1 ffiffi2 Z;t Þ, with the Pauli operator Z , is a phase shift on the target qubit jti. This phase factor can either be included in a redefinition of the computational basis or compensated for by single qubit operations. In total, this unitary evolution ...
Uncertainty in the classroom
... explain the fundamental observation that particles will deviate from their path, and it will also give an approximate estimate of the location of the first minimum. March 2008 ...
... explain the fundamental observation that particles will deviate from their path, and it will also give an approximate estimate of the location of the first minimum. March 2008 ...
Science as Representation: Flouting the Criteria
... to the system as a whole (box with cat etc. inside) for which measurement outcome probabilities are certainly different on the two scenarios.7 Let’s admit that von Neumann’s alteration of the quantum theory, with or without Wigner’s addition, implies that the phenomena do derive from the quantum-mec ...
... to the system as a whole (box with cat etc. inside) for which measurement outcome probabilities are certainly different on the two scenarios.7 Let’s admit that von Neumann’s alteration of the quantum theory, with or without Wigner’s addition, implies that the phenomena do derive from the quantum-mec ...
Highly efficient optical quantum memory with long coherence time in
... shows that the power contained in the idler is expected to be 0.9% of the probe input power, leading to gain in the probe output of 0.9%. This result is consistent with previous work in warm vapor that found little additional noise in the GEM protocol, with similar storage times and efficiencies [17 ...
... shows that the power contained in the idler is expected to be 0.9% of the probe input power, leading to gain in the probe output of 0.9%. This result is consistent with previous work in warm vapor that found little additional noise in the GEM protocol, with similar storage times and efficiencies [17 ...
Document
... of a 2-level system t. In general it will also couple to DELOCALISED modes Dissipative Systems” (World Scientific, 1999) around (or even in) it. A central feature of many-body theory (and indeed quantum field theory in general) is that (i) under normal circumstances the coupling to each mode is WEAK ...
... of a 2-level system t. In general it will also couple to DELOCALISED modes Dissipative Systems” (World Scientific, 1999) around (or even in) it. A central feature of many-body theory (and indeed quantum field theory in general) is that (i) under normal circumstances the coupling to each mode is WEAK ...
Quantum Computer Simulation Using CUDA
... system results in extremely time-consuming simulations on a classical machine. In a physical quantum computer, quantum superposition of states allows the simultaneous manipulation of all possible combinations of a set of bits in a single operation, speeding up many algorithms exponentially when comp ...
... system results in extremely time-consuming simulations on a classical machine. In a physical quantum computer, quantum superposition of states allows the simultaneous manipulation of all possible combinations of a set of bits in a single operation, speeding up many algorithms exponentially when comp ...
Adiabatic Preparation of Topological Order
... such Hamiltonians has been used as a paradigm for adiabatic quantum computation [9]. This process must be accomplished such that the error between the actual final state and the desired (ideal adiabatic) ground state of H1, is as small as possible. The problem is that real and virtual excitation ...
... such Hamiltonians has been used as a paradigm for adiabatic quantum computation [9]. This process must be accomplished such that the error between the actual final state and the desired (ideal adiabatic) ground state of H1, is as small as possible. The problem is that real and virtual excitation ...
Position Dependent Mass Quantum Particle - EMU I-REP
... start from the general form of the kinetic energy operator in which the physical requirements are considered and then we show that the general form of the kinetic energy operator does not keep the Schrodinger equation invariant under the global Galilean transformation. To make out the problem we int ...
... start from the general form of the kinetic energy operator in which the physical requirements are considered and then we show that the general form of the kinetic energy operator does not keep the Schrodinger equation invariant under the global Galilean transformation. To make out the problem we int ...
Quantum Chaos
... the energy levels and eigenstates of the (bound) system? For an open system, in the decay rates, in the Smatrix, in the transport properties? (lectures 1 and 2) What kind of semiclassical approximations can be used? (lecture 2) What is the longtime behaviour of a quantum system? (lecture 3) For a ...
... the energy levels and eigenstates of the (bound) system? For an open system, in the decay rates, in the Smatrix, in the transport properties? (lectures 1 and 2) What kind of semiclassical approximations can be used? (lecture 2) What is the longtime behaviour of a quantum system? (lecture 3) For a ...
Regular Structures
... called a ket, written "| >.” • In general the amplitudes are complex numbers (with both a real and an imaginary part) – but in some examples considered here will be confined to positive and negative real numbers. ...
... called a ket, written "| >.” • In general the amplitudes are complex numbers (with both a real and an imaginary part) – but in some examples considered here will be confined to positive and negative real numbers. ...
Quantum Phases and Topological States in Optical Lattices
... x⃗j )d3 x and the interaction energy U = g |w(⃗x)|4 d3 x [2, 3, 4]. As seen in the expression, the Hamiltonian consists of two crucial terms. The first term in the hamiltonian is known as the hopping term which describes the tunneling of atoms between neighboring sites. The strength is characterized ...
... x⃗j )d3 x and the interaction energy U = g |w(⃗x)|4 d3 x [2, 3, 4]. As seen in the expression, the Hamiltonian consists of two crucial terms. The first term in the hamiltonian is known as the hopping term which describes the tunneling of atoms between neighboring sites. The strength is characterized ...
Introductory Quantum Optics Section 2. A laser driven two
... In the presence of a laser field, the state of the atom starts to do so-called Rabi oscillations. As can be seen from Eq. (34), the laser field creates a potential in which the electron starts oscillating between the ground state and the excited state. The initial population in the ground state can ...
... In the presence of a laser field, the state of the atom starts to do so-called Rabi oscillations. As can be seen from Eq. (34), the laser field creates a potential in which the electron starts oscillating between the ground state and the excited state. The initial population in the ground state can ...
