swap_horiz W state Alternatives

1

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

2

quantum teleportation

Quantum teleportation is a process enabling the transfer of a quantum state between two particles. It relies on the phen...

Communication Protocol Entanglement State Transfer

9.4 Excellent

3

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

4

CHSH inequality

The CHSH inequality is a mathematical constraint derived from Bell’s theorem. It defines an upper limit for correlations...

Foundation Entanglement Correlation Bell Test

9.3 Excellent

5

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

6

Bloch sphere

The Bloch sphere provides a visual understanding of a qubit’s quantum state. It represents the possible states of the qu...

Visualization State Qubit Two Level

9.1 Excellent

7

stabilizer formalism

Stabilizer formalism provides a mathematical framework for representing and manipulating quantum states. It utilizes ten...

Error Correction Formalism State Clifford

9.0 Excellent

8

GHZ state

The GHZ state represents a fundamental entanglement phenomenon involving multiple quantum particles. It’s notable becaus...

Foundation Entanglement State Multipartite

8.7 Great

9

coherent state

The coherent state describes a particular quantum mechanical state for oscillators like lasers. It’s notable because its...

Optics Oscillator State Semiclassical

8.7 Great

10

superdense coding

Superdense coding is a quantum protocol utilizing entanglement to increase data transmission efficiency. It enables two...

Communication Protocol Entanglement Information

8.7 Great

11

Wigner function

The Wigner function is a mathematical tool used in quantum mechanics. It provides an alternative approach to describing...

Formalism Phase Space State Quasiprobability

8.6 Great

12

squeezed state

A squeezed state represents a specific condition within quantum mechanics. It involves manipulating the uncertainty betw...

Optics Noise State Continuous Variable

8.5 Great

13

cat state

The cat state represents a fundamental concept in quantum mechanics. It illustrates superposition, where a quantum syste...

Optics Oscillator State Superposition

8.3 Great

14

E91 protocol

The E91 protocol is a foundational experiment in quantum mechanics utilizing three entangled photons. Developed by Artur...

History Cryptography Entanglement Qkd

8.2 Great

15

cluster state

A cluster state represents a complex entanglement pattern involving multiple qubits arranged in a network. This configur...

Computing Measurement Entanglement Graph State

8.1 Great

16

Fock state

The Fock state is a fundamental concept in quantum optics describing a precise photon count within an electromagnetic fi...

Optics Photons State Number State

8.0 Great

17

graph state

A graph state is a specific entangled quantum state where qubits are connected by edges representing entanglement, formi...

Computing Stabilizer Entanglement State

7.9 Good

18

Husimi Q function

The Husimi Q function is a quasiprobability distribution used in quantum mechanics to represent quantum states in phase...

Optics Phase Space State Quasiprobability

7.7 Good

19

quantum secret sharing

Quantum secret sharing distributes a secret among multiple parties using entangled photons; reconstructing the original...

Security Protocol Cryptography Multipartite

7.6 Good

20

NOON state

A NOON state is a specific type of multi-particle entangled quantum state in quantum mechanics, mathematically described...

Optics Entanglement Metrology State

7.3 Good