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Inevitably, this article (and implications about quantum computing) is going to be vastly misinterpreted due to the title. It would be like saying “Major Shuttl

Inevitably, this article (and implications about quantum computing) is going to be vastly misinterpreted due to the title. It would be like saying “Major Shuttle Strategy Suffers Serious Setbacks” but the strategy is using slingshots to get us into orbit, ignoring the work of, say, NASA and SpaceX. This quantum computing strategy neither was nor is practiced by the vast majority of quantum institutions—commercial or otherwise. It was attempted by a group at Microsoft (and a small collection of other university groups) and was known from the start that it would be a search for essentially fundamentally new observations. Other quantum computing players, like Rigetti, Google, HRL Laboratories, IBM, Amazon, Honeywell, and others are doing an approach that is nothing like the article, and have demonstrated significant results.

HPsquared 5y ago
It should really be "A quantum computing strategy suffers..."
- amelius 5y ago
  Or: "One idea in quantum computing bears no fruit"
  - westurner 5y ago
    "Quantized Majorana conductance not actually observed within indium antimonide nanowires" "Quantum qubit substrate found to be apparently insufficient" (Given the given methods and probably available resources) And then - in an attempt to use terminology from Constructor Theory https://en.m.wikipedia.org/wiki/Constructor_theory https://en.m.wikipedia.org/wiki/Constructor_theory : > In constructor theory, a transformation or change is described as a task. A constructor is a physical entity which is able to carry out a given task repeatedly. A task is only possible if a constructor capable of carrying it out exists, otherwise it is impossible. To work with constructor theory everything is expressed in terms of tasks. The properties of information are then expressed as relationships between possible- and impossible tasks. Counterfactuals are thus fundamental statements and the properties of information may be described by physical laws.[4] If a system has a set of attributes, the set of permutations of these attributes is seen as a set of tasks. A computation medium is a system whose attributes permute to always produce a possible task. The set of permutations, and hence of tasks, is a computation set. If it is possible to copy the attributes in the computation set, the computation medium is also an information medium. > Information, or a given task, does not rely on a specific constructor. Any suitable constructor will serve. This ability of information to be carried on different physical systems or media is described as interoperability, and arises as the principle that the combination of two information media is also an information medium.[4] Media capable of carrying out quantum computations are called superinformation media, and are characterised by specific properties. Broadly, certain copying tasks on their states are impossible tasks. This is claimed to give rise to all the known differences between quantum and classical information.[4] "Subsequent attempts to reproduce [Quantized Majorana conductance (topological qubits of arranged electrons) within indium antimonide nanowires] eventually as a (quantum) computation medium for the given tasks failed" "Quantum computation by Majorana zero-mode (MZM) quasiparticles in indium antimonide nanowires not actually apparently possible" ... "But what about in DDR5?" Which leads us to a more generally interesting: "Rowhammer for qubits", which is already an actual Quantum on Silicon (QoS) thing.
rdtsc 5y ago
Yeah probably a bit of an exaggeration. "Major" ... "Majorona particle" I can see how one can make a subconscious connection there :-) I guess I wouldn't call it major but rather "exiting" strategy. The theoretical result from Kitaev [1], from Microsoft research, was certainly interesting. Having a way not deal with error corrections would be really great. [1] https://arxiv.org/pdf/cond-mat/0010440.pdf https://arxiv.org/pdf/cond-mat/0010440.pdf > Thus an isolated Majorana site (usually called a Majorana fermion) is immune to any kind of error!

HPsquared 5y ago

It should really be "A quantum computing strategy suffers..."

amelius 5y ago
Or: "One idea in quantum computing bears no fruit"
- westurner 5y ago
  "Quantized Majorana conductance not actually observed within indium antimonide nanowires" "Quantum qubit substrate found to be apparently insufficient" (Given the given methods and probably available resources) And then - in an attempt to use terminology from Constructor Theory https://en.m.wikipedia.org/wiki/Constructor_theory https://en.m.wikipedia.org/wiki/Constructor_theory : > In constructor theory, a transformation or change is described as a task. A constructor is a physical entity which is able to carry out a given task repeatedly. A task is only possible if a constructor capable of carrying it out exists, otherwise it is impossible. To work with constructor theory everything is expressed in terms of tasks. The properties of information are then expressed as relationships between possible- and impossible tasks. Counterfactuals are thus fundamental statements and the properties of information may be described by physical laws.[4] If a system has a set of attributes, the set of permutations of these attributes is seen as a set of tasks. A computation medium is a system whose attributes permute to always produce a possible task. The set of permutations, and hence of tasks, is a computation set. If it is possible to copy the attributes in the computation set, the computation medium is also an information medium. > Information, or a given task, does not rely on a specific constructor. Any suitable constructor will serve. This ability of information to be carried on different physical systems or media is described as interoperability, and arises as the principle that the combination of two information media is also an information medium.[4] Media capable of carrying out quantum computations are called superinformation media, and are characterised by specific properties. Broadly, certain copying tasks on their states are impossible tasks. This is claimed to give rise to all the known differences between quantum and classical information.[4] "Subsequent attempts to reproduce [Quantized Majorana conductance (topological qubits of arranged electrons) within indium antimonide nanowires] eventually as a (quantum) computation medium for the given tasks failed" "Quantum computation by Majorana zero-mode (MZM) quasiparticles in indium antimonide nanowires not actually apparently possible" ... "But what about in DDR5?" Which leads us to a more generally interesting: "Rowhammer for qubits", which is already an actual Quantum on Silicon (QoS) thing.

rdtsc 5y ago

Yeah probably a bit of an exaggeration. "Major" ... "Majorona particle" I can see how one can make a subconscious connection there :-) I guess I wouldn't call it major but rather "exiting" strategy. The theoretical result from Kitaev [1], from Microsoft research, was certainly interesting. Having a way not deal with error corrections would be really great. [1] https://arxiv.org/pdf/cond-mat/0010440.pdf https://arxiv.org/pdf/cond-mat/0010440.pdf > Thus an isolated Majorana site (usually called a Majorana fermion) is immune to any kind of error!