swap_horiz stabilizer formalism Alternatives

1

quantum error correction

Quantum error correction is a technique used to maintain the integrity of quantum information. It addresses the unavoida...

Fault Tolerance Computing Noise Error Correction

9.5 Brilliant

2

qubit

A qubit is a fundamental unit of quantum information leveraging quantum mechanics. It differs from a classical bit by ex...

Computing Information State Two Level

9.4 Excellent

3

CNOT gate

The CNOT gate is a core component of quantum computing. It operates on two qubits, creating entanglement by flipping one...

Gate Two Qubit Clifford Entangling

9.4 Excellent

4

density matrix

The density matrix is a mathematical tool used in quantum mechanics to represent the state of a quantum system. It accou...

Mixed Formalism State Open Systems

9.3 Excellent

5

quantum fault tolerance

Quantum fault tolerance is a technique designed for quantum computing. It addresses the significant challenge of maintai...

Computing Reliability Error Correction Threshold

9.3 Excellent

6

Bell state

A Bell state describes a fundamental property in quantum mechanics involving the linked behavior of multiple subatomic p...

Entanglement State Two Qubit Basis

9.2 Excellent

7

Hadamard gate

The Hadamard gate is a core component in quantum computing. It operates on a single qubit, converting its initial state...

Gate Qubit Superposition Clifford

9.2 Excellent

8

surface code

Surface code represents a leading approach to building practical quantum computers. It employs pairs of entangled qubits...

Fault Tolerance Stabilizer Error Correction Topological

9.2 Excellent

9

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

10

threshold theorem

The threshold theorem in quantum computing states that above a certain qubit error rate—the "threshold"—increasing the n...

Theory Fault Tolerance Computing Error Correction

9.1 Excellent

11

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

12

Pauli-X gate

The Pauli-X gate, or bit-flip gate, is a fundamental single-qubit quantum logic gate that performs a transformation equi...

Gate Qubit Clifford Bit Flip

8.8 Great

13

Heisenberg picture

In the Heisenberg picture of quantum mechanics, operators representing physical observables evolve with time, while stat...

Foundation Formalism Dynamics Operators

8.7 Great

14

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

15

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

16

controlled-Z gate

A controlled-Z (CZ) gate in quantum computing flips the phase of a target qubit only when its control qubit is in the |1...

Gate Two Qubit Clifford Entangling

8.7 Great

17

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

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

Pauli-Z gate

The Pauli-Z gate, represented by the matrix [[1, 0], [0, -1]], flips the phase of a qubit's |1⟩ state while leaving the...

Gate Phase Qubit Clifford

8.6 Great

20

squeezed state

A squeezed state is a quantum mechanical state where the uncertainty in one observable, like position or momentum, is re...

Optics Noise State Continuous Variable

8.5 Great