Everyone

hex@dec

Lollipop

A software for Android that emulates the actions of a quantum computer 
It's main purpose is to enable testing to everyone, even on the go. Since this app is only an emulator, it can show the position of the qubits on the bloch sphere. This app can also show the statevector of the system (in probability mode) and the final unitary gate will also be accessible soon. The limit is only the computing power of your device!
You can apply any matrices to your qubits as long as they are member of the group SU(n) – they have to be unitary and have to have a unit determinant.
The application uses a home-made backend for simulating quantum circuits. It does not 
 work with noise. The backend is written in Java and the entire source code can be found on GitHub at 
  
Please be aware that the qubit order in this application is 
, meaning that in a multi-qubit gate always the first parameter is the last bit in the statevector, whereas some other well-known system are 
, thus most multi-qubit gate matrices need conversion!
• At most 10 qubits
• Gates with at most 4 qubits
• Extremely high number of shots (up to 2^20)
• Lots of predefined gates
• Get results immediately
• Export results
• Import/Export gate sequence, export as OpenQASM
• Take the hermitian conjugate of any gate
• Show bloch sphere (for non-entangled qubits)
• Show the statevector of the system
• Auto and Opt-in circuit optimization
• Hadamard
• Pauli-X/Y/Z
• S-gate & T-gate (phase-shift)
• √NOT
• Identity
• U3 
• CNOT/CY/CZ (Controlled-Pauli)
• Controlled-S, Controlled-T and Controlled-Hadamard gates
• Controlled U3
• SWAP
• Toffoli
• Fredkin
• Quantum Fourier Transform
Create and run algorithms with loops and conditions
Display final unitary matrix for smaller circuits
Visualize multi-qubit states better
Translators are welcomed at the GitHub repository:
https://github.com/hexadec/Quantum/blob/master/app/src/main/res/values/strings.xml

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