Einzeltreffer — DigiBib

Methods, systems, and apparatus for producing CCZ states and T states. In one aspect, a method for transforming a CCZ state into three T states includes obtaining a first target qubit, a second target qubit and a third target qubit in a CCZ state; performing a X−1/2 gate on the third target qubit; performing an X gate on the first target qubit and the second target qubit using the third target qubit as a control; performing a Z gate on the first target qubit and the second target qubit using the third qubit as a X axis control; performing a Z−1/4 gate on the third target qubit; and performing a Z gate on the first target qubit and the second target qubit using the third qubit as a X axis control to obtain the three T states.

Titel:	MAGIC STATE FACTORY CONSTRUCTIONS FOR PRODUCING CCZ AND T STATES
Link:	View record in USPTO Patent Applications (Volltext)
Veröffentlichung:	2024
Medientyp:	Patent
Sonstiges:	Nachgewiesen in: USPTO Patent Applications Sprachen: English Document Number: 20240127103 Publication Date: April 18, 2024 Appl. No: 18/532394 Application Filed: December 07, 2023 Claim: 1. A method for transforming a CCZ state into three T states, the method comprising: obtaining a first target qubit, a second target qubit and a third target qubit in a CCZ state; performing a X−1/2 gate on the third target qubit; performing an X gate on the first target qubit and the second target qubit using the third target qubit as a control; performing a Z gate on the first target qubit and the second target qubit using the third qubit as a X axis control; performing a Z−1/4 gate on the third target qubit; and performing a Z gate on the first target qubit and the second target qubit using the third qubit as a X axis control to obtain the three T states. Claim: 2. The method of claim 1, further comprising providing one of the obtained three T states as a catalyst for a subsequent transformation of a CCZ state into three T states. Claim: 3. The method of claim 1, wherein performing the Z−1/4 gate comprises using a T state to perform the Z−1/4 gate. Claim: 4. The method of claim 3, further comprising providing one T state of the three T states as a catalytic input to a second implementation of the method for transforming a CCZ state into three T states. Claim: 5. A quantum computing device comprising: a register of qubits comprising multiple target qubits, multiple ancilla qubits, and multiple stabilizer qubits each prepared in a respective initial state; a plurality of control lines coupled to the register of qubits; a plurality of control devices coupled to the plurality of control lines; and one or more classical processors; wherein the quantum computing device is configured to perform classical and quantum operations for transforming a CCZ state into three T states, the operations comprising: obtaining a first target qubit, a second target qubit and a third target qubit in a CCZ state; performing a X−1/2 gate on the third target qubit; performing an X gate on the first target qubit and the second target qubit using the third target qubit as a control; performing a Z gate on the first target qubit and the second target qubit using the third qubit as a X axis control; performing a Z−1/4 gate on the third target qubit; and performing a Z gate on the first target qubit and the second target qubit using the third qubit as a X axis control to obtain the three T states. Claim: 6. The quantum computing device of claim 5, wherein the operations further comprise providing one of the obtained three T states as a catalyst for a subsequent transformation of a CCZ state into three T states. Claim: 7. The quantum computing device of claim 5, wherein performing the Z−1/4 gate comprises using a T state to perform the Z−1/4 gate. Claim: 8. The quantum computing device of claim 7, wherein the operations further comprise providing one T state of the three T states as a catalytic input to a second implementation of the method for transforming a CCZ state into three T states. Current International Class: 06; 06; 06; 06; 06; 03; 03; 03; 03

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MAGIC STATE FACTORY CONSTRUCTIONS FOR PRODUCING CCZ AND T STATES