swap_horiz quantum Zeno effect Alternatives

1

qubit

A qubit, the basic unit of quantum information, can exist in a superposition of states – simultaneously representing 0,...

Computing Information State Two Level

9.4 Excellent

2

CNOT gate

The Controlled-NOT (CNOT) gate is a fundamental two-qubit quantum logic gate that flips the target qubit's state based o...

Gate Two Qubit Clifford Entangling

9.4 Excellent

3

density matrix

A density matrix describes the state of a quantum system, even when that state is unknown or entangled, by representing...

Mixed Formalism State Open Systems

9.3 Excellent

4

Hadamard gate

The Hadamard gate is a fundamental single-qubit quantum operation that transforms a qubit's state from a definite |0⟩ or...

Gate Qubit Superposition Clifford

9.2 Excellent

5

gate-model quantum computing

Gate-model quantum computing manipulates qubits through sequences of logic gates—analogous to classical computer operati...

Computing Model Universal Circuit

9.2 Excellent

6

Grover's algorithm

Grover’s algorithm is a quantum search algorithm that can find a specific item within an unsorted database of N items in...

Search Algorithm Speedup Amplitude

9.2 Excellent

7

Bloch sphere

The Bloch sphere is a geometrical representation of a qubit's state, visualizing its superposition as a point on the sur...

Visualization State Qubit Two Level

9.1 Excellent

8

topological order

Topological order is a state of matter in quantum systems where electron behavior is governed by the global arrangement...

Matter Topology Phase Many Body

9.1 Excellent

9

quantum phase estimation

Quantum Phase Estimation is an algorithm that determines the eigenvalues of a unitary operator by leveraging superpositi...

Algorithm Computing Eigenvalue Subroutine

9.1 Excellent

10

Berry phase

A Berry phase is an extra phase factor acquired by a quantum system's wavefunction as it cycles through a closed loop in...

Geometric Adiabatic Phase Phenomenon

8.9 Great

11

Lamb shift

The Lamb shift is a small difference in energy levels of hydrogen atoms due to interactions between electrons and the va...

Hydrogen Spectroscopy Phenomenon Qed

8.9 Great

12

toric code

Toric code is a surface code exhibiting topological protection for quantum information; its qubits are arranged on a lat...

Stabilizer Model Error Correction Topological

8.9 Great

13

GHZ state

A Greenberger–Horne–Zeilinger (GHZ) state is a specific entangled quantum state of three or more particles where measuri...

Foundation Entanglement State Multipartite

8.7 Great

14

coherent state

A coherent state is a specific quantum state of a harmonic oscillator exhibiting properties remarkably similar to classi...

Optics Oscillator State Semiclassical

8.7 Great

15

anyon

Anyons are quasiparticles exhibiting fractional electric charge and exotic exchange statistics—neither purely bosonic no...

Statistics Many Body Topological Quasiparticle

8.7 Great

16

GKP code

GKP codes are a class of quantum error correction schemes encoding qubits into continuous variable states like Gaussian...

Error Correction Oscillator Continuous Variable Bosonic

8.7 Great

17

topological quantum computing

Topological quantum computing utilizes exotic quasiparticles called anyons, whose non-trivial exchange statistics encode...

Fault Tolerance Computing Braiding Anyon

8.7 Great

18

Wigner function

The Wigner function represents a quasi-probability distribution in phase space, offering a way to analyze quantum states...

Formalism Phase Space State Quasiprobability

8.6 Great

19

measurement-based quantum computing

Measurement-based quantum computing utilizes continuous measurements on an entangled cluster state to perform computatio...

Computing Model Measurement Cluster State

8.6 Great

20

interaction picture

The interaction picture in quantum mechanics reformulates time evolution by shifting the time dependence from operators...

Foundation Formalism Dynamics Perturbation

8.3 Great