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  _  __    _____     _____      ___      ______  
 | |/ //  |  ___||  / ____||   / _ \\   /_   _// 
 | ' //   | ||__   / //---`'  | / \ ||  `-| |,-  
 | . \\   | ||__   \ \\___    | \_/ ||    | ||   
 |_|\_\\  |_____||  \_____||   \___//     |_||   
 `-` --`  `-----`    `----`    `---`      `-`'

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發送短信 : Quenched topological boundary modes can persist in a trivial system