Questions tagged [google-sycamore]
A 54-qubit superconducting quantum processor by Google Quantum AI which is claimed to have been used to demonstrate quantum computational supremacy.
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How can we see on Cirq that Google Sycamore has 54 qubits?
Hello, can you explain how to see in Google Cirq that the figure above is a 54 qubits quantum computer ? thanks
CommunityBot
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Current situation of quantum computing with respect to physical vs logical qubits
As an example I'm going to start with Google and IBM. Google has the Sycamore processor right now with 53 physical qubits. However I haven't found any info on how many logical qubits it can actually ...
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Status of Google's quantum supremacy claim 2022
More than a year ago a couple of scientists made a splash by presenting a classical algorithm that took less than a week to simulate Sycamore's circuits on a small GPU cluster. Also, their simulations ...
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Is there something wrong with cross-entropy benchmarking, or is it still considered as a reasonable path towards quantum supremacy?
My question is strongly related with this one. Google's quantum supremacy claim uses Random Circuit Sampling. The principle is the following one: a realistic noise model for random circuits performed ...
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Quantum Supremacy: Some questions on cross-entropy benchmarking
I was skimming through the Google quantum supremacy paper but got stuck on this section:
For a given circuit, we collect the measured bit-strings $\{x_i\}$ and compute the linear XEB fidelity [24-26, ...
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Sycamore 2 versus Osprey
Google recently hit key milestone by reducing errors: https://www.nature.com/articles/d41586-023-00536-w
I would like to know why Google's QPU had way fewer qubits than IBM's Osprey and if IBM also ...
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Number of qubits to achieve quantum supremacy?
Google's Sycamore paper describes achieving quantum supremacy on a $53$-qubit quantum computer. The layout of Sycamore is $n=6\times 9=54$ nearest neighbors, with one qubit nonfunctional. They apply ...
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What is a gate-level circuit used in the 2022 Jafferis et al. experiment on Sycamore?
A recently published Nature paper of Jafferis et al. describes an experiment with a handful of qubits performed on Google's Sycamore processor to explore the SYK model in the context of AdS/CFT and ...
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Publicly available samples for quantum circuits and/or simulators
With Yosi Rinott and Tomer Shoham we studied various statistical aspects of samples coming from NISQ computers.
My question is about available data consisting of samples from NISQ computers
We would ...
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Understanding the supremacy regime plot in Google's "Quantum supremacy using a programmable superconducting processor"
I was going through the Google's 2019 paper & had difficulties regarding some details.
How are they calculating XEB in quantum supremacy regime? To calculate the XEB,we also need the ideal ...
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How can time crystals be useful in qRAM design?
A time crystal is a phase of a matter which is ordered in time, similar to classical crystals which are ordered spatially. In other words, the structure of a time crystal is ever-changing but with ...
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What is the basic hardware gate library in the IBM & google?
I need to know what is the basic hardware gate library in hardware IBM and Google? I mean, which one of the gates can be implemented directly in the hardware. I would be very grateful if everyone ...
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Can Google Sycamore's benchmark for quantum supremacy be simulated on Qiskit?
In 2019, Google claimed that they have achieved quantum supremacy/advantage with their 53 qubit quantum processor Sycamore. The paper is here. But I have not even been able to find what their ...
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What determines the repetition rate in Google's Weber datasheet?
The second page of the datasheet of Google's Weber system mentions a repetition rate. How is this repetition rate calculated?
https://quantumai.google/hardware/datasheet/weber.pdf
I understand that ...
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Does a quantum computer exist today? [closed]
I agree that this may not be an easy question to answer.
But lately, I increasingly come across the fact that many news materials and research papers in the field of quantum technologies say that at ...
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