JanVdA
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4 answers
5 votes
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How to check if 2 quantum bits are orthogonal?
4 votes

Instead of doing matrix calculation you can also map those qubits to the Bloch sphere. A Bloch sphere is a unit 2-sphere, with antipodal points corresponding to a pair of mutually orthogonal state ...

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What countries are leading this "Global Quantum Computing Race"?
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None. The quantum race is lead by those entities capable of building the most powerful quantum computer and it are enterprises like IBM, Google, Intel, Microsoft, D-Wave that are currently building ...

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7 votes
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When can we expect the first (universal) quantum computer being able to do something useful outside the academic world?
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2023 [1] Source IBM Research https://www.research.ibm.com/5-in-5/quantum-computing/ ... Within five years, the industry will have discovered the first applications where a quantum computer (used ...

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When can we expect the first (universal) quantum computer being able to do something useful outside the academic world?
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2033 or later [1] source Why will quantum computers be slow? This site mentions the following bottlenecks: Bottleneck #0: Qubit count Bottleneck #1: T count Bottleneck #2: Measurement depth ...

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3 answers
7 votes
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When can we expect the first (universal) quantum computer being able to do something useful outside the academic world?
0 votes

2028 [1] Source Scientific American : How Close Are We—Really—to Building a Quantum Computer?(Intel’s head of quantum computing talks about the challenges of developing algorithms, software programs ...

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