Theory

IBM’s simulator (10 × 1000 shots)

IBM’s simulator (10 × 8192) shots)

k

a₀₀

a₀₁

r_a

b₀₀

b₀₁

r_b

b₀₀

b₀₁

r_b

1

0.0027

0.2714

0.0099

0.0098

0.9829

0.009

0.0094

0.9837

0.0095

1

0.0725

0.2015

0.3599

0.2625

0.7316

0.3588

0.2657

0.7277

0.3651

1

0.1138

0.1603

0.7100

0.4066

0.5841

0.6961

0.4104

0.5826

0.7044

1

0.1410

0.1330

1.0599

0.5108

0.4817

1.0604

0.5121

0.4807

1.0653

1

0.1604

0.1137

1.4099

0.5854

0.4077

1.435

0.5814

0.4121

1.4106

1

0.1748

0.0993

1.7599

0.6289

0.3647

1.7244

0.6336

0.3601

1.7593

1

0.1370

0.1370

1

0.4987

0.4949

1.0076

0.4955

0.4977

0.9956

3

0.0045

0.0457

0.1000

0.0913

0.9084

0.1005

0.0922

0.9075

0.1016

3

0.0163

0.0340

0.4800

0.3217

0.6781

0.4744

0.3261

0.6736

0.4841

3

0.0232

0.0270

0.8599

0.4517

0.5478

0.8245

0.4616

0.5381

0.8579

3

0.0278

0.0224

1.2402

0.5545

0.4454

1.2449

0.5526

0.4472

1.2356

3

0.0311

0.0192

1.6201

0.6196

0.3803

1.629

0.6177

0.3820

1.6168

3

0.0335

0.0167

1.9994

0.655

0.3447

1.9002

0.6652

0.3346

1.9878

Ion trap processor (1600 shots)

IBM’s 5Q (1000 shots)

IBM’s 5Q (10 × 1000 shots)

k

b₀₀

b₀₁

r_b

b₀₀

b₀₁

r_b

b₀₀

b₀₁

r_b

1

0.061

0.809

0.0754

0.047

0.904

0.05199115

0.0414

0.908

0.04564

1

0.29

0.583

0.4974

0.25

0.694

0.360230548

0.258

0.6896

0.37445

1

0.415

0.466

0.8905

0.369

0.566

0.651943463

0.3889

0.5575

0.69891

1

0.488

0.389

1.2544

0.456

0.503

0.906560636

0.4726

0.4762

0.99449

1

0.519

0.351

1.4786

0.571

0.383

1.490861619

0.5571

0.3941

1.41713

1

0.566

0.305

1.8557

0.606

0.349

1.736389685

0.5926

0.3573

1.66588

1

0.468

0.401

1.1670

0.452

0.491

0.920570265

0.4681

0.4768

0.98310

3

0.127

0.718

0.1768

0.08

0.831

0.09627

0.0875

0.8198

0.10673

3

0.301

0.518

0.5810

0.253

0.67

0.377612

0.257

0.6614

0.38857

3

0.442

0.451

0.9800

0.404

0.523

0.772467

0.3739

0.5409

0.69125

3

0.51

0.354

1.4406

0.462

0.444

1.040541

0.4546

0.4567

0.99540

3

0.551

0.305

1.8065

0.515

0.393

1.310433

0.5098

0.4006

1.27259

3

0.586

0.268

2.1865

0.569

0.355

1.602817

0.5548

0.3573

1.55275