發送短信 : Quantum mechanical photoncount formula derived by entangled state representation

 _____     _    _    _    _      ___      _____   
|  __ \\  | || | || | |  | ||   / _ \\   / ____|| 
| |  \ || | || | || | |/\| ||  | / \ || / //---`' 
| |__/ || | \\_/ || |  /\  ||  | \_/ || \ \\___   
|_____//   \____//  |_// \_||   \___//   \_____|| 
 -----`     `---`   `-`   `-`   `---`     `----`