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Three punt pole shoes in varying states of wear. A setting pole or quant (quant pole) is a pole, handled by a crew member, to move boats, barges (in which case it is also called a barge pole) or punts by pushing the craft in the desired direction. The pole is used to push against the river or sea bed or, in some cases, the bank of the river.
Similar to a classical zero-sum game, a zero-sum quantum refereed game [1] is a quantum refereed game with the additional constraint () + =.. It is natural to assume Alice and Bob play independent strategies in a zero-sum quantum refereed game, since it cannot simultaneously be to both players' advantage to communicate directly with one another or to initially share an entanglement state ...
¯ Parity measurement circuit Stabilizer measurements are parity measurements that measure the stabilizers of physical qubits. [ 5 ] For example, to measure the first stabilizer ( X Z Z X I {\displaystyle XZZXI} ), a parity measurement of X {\displaystyle X} of the first qubit, Z {\displaystyle Z} on the second, Z {\displaystyle Z} on the third ...
These switches appear externally similar to single pole, single throw (SPST) switches, but have extra connections which allow a circuit to be controlled from multiple locations. Toggling the switch disconnects one "traveler" terminal and connects the other. Electrically, a typical "3-way" switch is a single pole, double throw (SPDT) switch. By ...
Circuit of TTL NAND gate has a 'totem pole output' stage (right) consisting of two NPN transistors in push pull. When at least one of the inputs is low, transistor V 1 is turned on, V 2 is turned off, V 3 is turned on and V 4 off, pulling output voltage high. When both inputs are high, V 2 is on, V 3 is off and V 4 is turned on, pulling output low.
An increase in this variable means the higher pole is further above the corner frequency. The y-axis is the ratio of the OCTC (open-circuit time constant) estimate to the true time constant. For the lowest pole use curve T_1; this curve refers to the corner frequency; and for the higher pole use curve T_2. The worst agreement is for τ 1 = τ 2.
In general, a quantum code for a quantum channel is a subspace , where is the state Hilbert space, such that there exists another quantum channel with () = =, where is the orthogonal projection onto .
A gate that acts on qubits (a register) is represented by a unitary matrix, and the set of all such gates with the group operation of matrix multiplication [a] is the unitary group U(2 n). [2] The quantum states that the gates act upon are unit vectors in 2 n {\displaystyle 2^{n}} complex dimensions, with the complex Euclidean norm (the 2-norm ).