On 6/27/2020 2:33 PM, Philip Thrift wrote:
On Saturday, June 27, 2020 at 4:12:22 PM UTC-5 Brent wrote:
On 6/27/2020 1:32 PM, Philip Thrift wrote:
In any case, teleportation in quantum computers gives a better
picture of the phenomenon.
https://www.oreilly.com/library/view/programming-quantum-computers/9781492039679/ch04.html
"In this chapter we introduce a QPU program allowing us to
immediately teleport an object across a distance of 3.1
millimeters! The same code would work *over interstellar
distances*, given the right equipment."
But not faster than light.
Brent
That may be an interesting comment, but does that matter to (quantum
computer) programmers?
/They want to see their programs work./
"The same code would work *over interstellar distances*, given the
right equipment."
(There are 2 programmers, with programmer Alice at computer screen A
on Earth and programmer Bob at computer screen B on Mars.)
// Example 4-1. Teleport and verify
include "qelib1.inc";
qreg q[5];
creg c[5];
// Step 1: Create an entangled pair
h q[2];
cx q[2],q[4];
barrier q[0],q[1],q[2],q[3],q[4];
// Step 2: Prepare a payload
x q[0];
h q[0];
t q[0];
barrier q[0],q[1],q[2],q[3],q[4];
// Step 3: Send
h q[0];
h q[2];
cx q[2],q[0];
h q[2];
measure q[0] -> c[0];
measure q[2] -> c[2];
barrier q[3],q[4];
// Step 4: Receive
x q[4];
z q[4];
barrier q[3],q[4];
Step 4: Receive and Transform
In “Step 3.2: Put the Payload into a Superposition” we saw that Bob’s
qubit could end up in one of four states—each of which is simply related
to Alice’s payload by HAD and/or PHASE(180) operations. If Bob could
learn which of these four states he possessed, he could apply the
necessary inverse operations to convert it back to Alice’s original
payload. *And the two bits Alice has from her READ operations are
precisely the information that Bob needs! So at this stage, **/Alice
picks up the phone and transmits two bits of conventional information to Bob
/*So I still don't know what your point is. You just repeat sections of
the website...which is interesting. But so what? Can you not state
your point clearly and explicitly?
Brent*/
/*
// Step 5: Verify
tdg q[4];
h q[4];
x q[4];
measure q[4] -> c[4];
@philipthrift
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